SELECT 
  MIN(q_product_prices.price) as min, 
  MAX(q_product_prices.price) as max 
FROM 
  q_product_prices 
  LEFT JOIN q_products as products ON products.product_id = q_product_prices.product_id 
  LEFT JOIN q_product_prices as prices_2 ON q_product_prices.product_id = prices_2.product_id 
  AND q_product_prices.price > prices_2.price 
  AND prices_2.lower_limit = 1 
  AND prices_2.usergroup_id IN (0, 0, 1) 
  LEFT JOIN q_product_options_inventory as inventory ON inventory.product_id = products.product_id 
  LEFT JOIN q_companies AS companies ON companies.company_id = products.company_id 
  INNER JOIN q_products_categories as products_categories ON products_categories.product_id = products.product_id 
  INNER JOIN q_categories ON q_categories.category_id = products_categories.category_id 
  AND (
    q_categories.usergroup_ids = '' 
    OR FIND_IN_SET(0, q_categories.usergroup_ids) 
    OR FIND_IN_SET(1, q_categories.usergroup_ids)
  ) 
  AND q_categories.status IN ('A', 'H') 
WHERE 
  products.status IN ('A') 
  AND q_categories.category_id IN (
    6, 
    7, 
    9, 
    148, 
    160, 
    169, 
    185, 
    368, 
    407, 
    426, 
    439, 
    440, 
    441, 
    444, 
    446, 
    447, 
    455, 
    456, 
    461, 
    466, 
    477, 
    520, 
    537, 
    61, 
    62, 
    149, 
    159, 
    161, 
    170, 
    186, 
    369, 
    408, 
    427, 
    442, 
    443, 
    448, 
    462, 
    467, 
    478, 
    528, 
    538, 
    63, 
    147, 
    150, 
    162, 
    168, 
    171, 
    187, 
    370, 
    409, 
    449, 
    454, 
    463, 
    468, 
    530, 
    539, 
    64, 
    151, 
    163, 
    172, 
    184, 
    189, 
    371, 
    450, 
    460, 
    464, 
    540, 
    567, 
    65, 
    152, 
    164, 
    173, 
    292, 
    372, 
    378, 
    451, 
    476, 
    541, 
    568, 
    153, 
    165, 
    174, 
    360, 
    373, 
    411, 
    452, 
    479, 
    571, 
    154, 
    166, 
    175, 
    374, 
    406, 
    453, 
    465, 
    587, 
    155, 
    167, 
    176, 
    425, 
    482, 
    536, 
    156, 
    177, 
    438, 
    495, 
    558, 
    157, 
    445, 
    563, 
    158, 
    179, 
    519, 
    570, 
    180, 
    584, 
    596, 
    367, 
    181, 
    182, 
    619, 
    183, 
    188, 
    244, 
    481, 
    518, 
    521, 
    522, 
    529, 
    531
  ) 
  AND companies.status = 'A' 
  AND products.company_id = 34 
  AND (
    CASE products.tracking WHEN 'O' THEN inventory.amount > 0 WHEN 'B' THEN products.amount > 0 ELSE 1 END
  ) 
  AND (
    products.usergroup_ids = '' 
    OR FIND_IN_SET(0, products.usergroup_ids) 
    OR FIND_IN_SET(1, products.usergroup_ids)
  ) 
  AND products.status IN ('A') 
  AND products.company_id = 34 
  AND q_product_prices.lower_limit = 1 
  AND q_product_prices.usergroup_id IN (0, 0, 1) 
  AND prices_2.price IS NULL

Query time 0.02268

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1993.77"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "inventory",
          "access_type": "system",
          "possible_keys": [
            "pc"
          ],
          "rows_examined_per_scan": 0,
          "rows_produced_per_join": 1,
          "filtered": "0.00",
          "const_row_not_found": true,
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.20",
            "prefix_cost": "0.00",
            "data_read_per_join": "976"
          },
          "used_columns": [
            "product_id",
            "amount"
          ]
        }
      },
      {
        "table": {
          "table_name": "companies",
          "access_type": "const",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "company_id"
          ],
          "key_length": "4",
          "ref": [
            "const"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "0.20",
            "prefix_cost": "0.00",
            "data_read_per_join": "5K"
          },
          "used_columns": [
            "company_id",
            "status"
          ]
        }
      },
      {
        "table": {
          "table_name": "products_categories",
          "access_type": "range",
          "possible_keys": [
            "PRIMARY",
            "pt"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "category_id"
          ],
          "key_length": "3",
          "rows_examined_per_scan": 2808,
          "rows_produced_per_join": 2808,
          "filtered": "100.00",
          "using_index": true,
          "cost_info": {
            "read_cost": "632.78",
            "eval_cost": "561.60",
            "prefix_cost": "1194.38",
            "data_read_per_join": "43K"
          },
          "used_columns": [
            "product_id",
            "category_id"
          ],
          "attached_condition": "((`portal`.`products_categories`.`category_id` in (6,7,9,148,160,169,185,368,407,426,439,440,441,444,446,447,455,456,461,466,477,520,537,61,62,149,159,161,170,186,369,408,427,442,443,448,462,467,478,528,538,63,147,150,162,168,171,187,370,409,449,454,463,468,530,539,64,151,163,172,184,189,371,450,460,464,540,567,65,152,164,173,292,372,378,451,476,541,568,153,165,174,360,373,411,452,479,571,154,166,175,374,406,453,465,587,155,167,176,425,482,536,156,177,438,495,558,157,445,563,158,179,519,570,180,584,596,367,181,182,619,183,188,244,481,518,521,522,529,531)) and (`portal`.`products_categories`.`product_id` is not null))"
        }
      },
      {
        "table": {
          "table_name": "q_categories",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "c_status",
            "p_category_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "category_id"
          ],
          "key_length": "3",
          "ref": [
            "portal.products_categories.category_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 561,
          "filtered": "20.00",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "112.32",
            "prefix_cost": "1755.99",
            "data_read_per_join": "1M"
          },
          "used_columns": [
            "category_id",
            "usergroup_ids",
            "status"
          ],
          "attached_condition": "(((`portal`.`q_categories`.`usergroup_ids` = '') or find_in_set(0,`portal`.`q_categories`.`usergroup_ids`) or find_in_set(1,`portal`.`q_categories`.`usergroup_ids`)) and (`portal`.`q_categories`.`status` in ('A','H')))"
        }
      },
      {
        "table": {
          "table_name": "products",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY",
            "status"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "portal.products_categories.product_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 52,
          "filtered": "9.31",
          "cost_info": {
            "read_cost": "0.00",
            "eval_cost": "10.46",
            "prefix_cost": "1868.31",
            "data_read_per_join": "308K"
          },
          "used_columns": [
            "product_id",
            "status",
            "company_id",
            "amount",
            "usergroup_ids",
            "tracking"
          ],
          "attached_condition": "((`portal`.`products`.`company_id` = 34) and (`portal`.`products`.`status` = 'A') and (case `portal`.`products`.`tracking` when 'O' then <cache>((NULL > 0)) when 'B' then (`portal`.`products`.`amount` > 0) else 1 end) and ((`portal`.`products`.`usergroup_ids` = '') or find_in_set(0,`portal`.`products`.`usergroup_ids`) or find_in_set(1,`portal`.`products`.`usergroup_ids`)))"
        }
      },
      {
        "table": {
          "table_name": "q_product_prices",
          "access_type": "ref",
          "possible_keys": [
            "usergroup",
            "product_id",
            "lower_limit",
            "usergroup_id"
          ],
          "key": "usergroup",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "portal.products_categories.product_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 52,
          "filtered": "99.95",
          "index_condition": "((`portal`.`q_product_prices`.`lower_limit` = 1) and (`portal`.`q_product_prices`.`usergroup_id` in (0,0,1)))",
          "cost_info": {
            "read_cost": "52.29",
            "eval_cost": "10.45",
            "prefix_cost": "1931.05",
            "data_read_per_join": "1K"
          },
          "used_columns": [
            "product_id",
            "price",
            "lower_limit",
            "usergroup_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "prices_2",
          "access_type": "ref",
          "possible_keys": [
            "usergroup",
            "product_id",
            "lower_limit",
            "usergroup_id"
          ],
          "key": "usergroup",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "ref": [
            "portal.products_categories.product_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 5,
          "filtered": "10.00",
          "not_exists": true,
          "cost_info": {
            "read_cost": "52.27",
            "eval_cost": "1.04",
            "prefix_cost": "1993.77",
            "data_read_per_join": "125"
          },
          "used_columns": [
            "product_id",
            "price",
            "lower_limit",
            "usergroup_id"
          ],
          "attached_condition": "(<if>(found_match(prices_2), isnull(`portal`.`prices_2`.`price`), true) and <if>(is_not_null_compl(prices_2), ((`portal`.`prices_2`.`lower_limit` = 1) and (`portal`.`q_product_prices`.`price` > `portal`.`prices_2`.`price`) and (`portal`.`prices_2`.`usergroup_id` in (0,0,1))), true))"
        }
      }
    ]
  }
}