SELECT 
  f.feature_id, 
  f.purpose, 
  p.product_id, 
  p.parent_product_id, 
  g.id, 
  g.code 
FROM 
  q_product_variation_group_features AS f 
  INNER JOIN q_product_variation_groups AS g ON f.group_id = g.id 
  INNER JOIN q_product_variation_group_products AS p ON f.group_id = p.group_id 
WHERE 
  p.product_id IN (
    32689, 32690, 32691, 32692, 32693, 32694, 
    32695, 32696, 32697, 32698, 32699, 
    32700, 32701, 32702, 32703, 32704, 
    32705, 32706, 32707, 32708, 32709, 
    32710, 32711, 32712, 32713, 32714, 
    32715, 32716, 32717, 32718, 32719, 
    32720
  )

Query time 0.00054

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "153.61"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "p",
          "access_type": "range",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "4",
          "rows_examined_per_scan": 32,
          "rows_produced_per_join": 32,
          "filtered": "100.00",
          "index_condition": "(`portal`.`p`.`product_id` in (32689,32690,32691,32692,32693,32694,32695,32696,32697,32698,32699,32700,32701,32702,32703,32704,32705,32706,32707,32708,32709,32710,32711,32712,32713,32714,32715,32716,32717,32718,32719,32720))",
          "cost_info": {
            "read_cost": "70.41",
            "eval_cost": "6.40",
            "prefix_cost": "76.81",
            "data_read_per_join": "512"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "4",
          "ref": [
            "portal.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 32,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "32.00",
            "eval_cost": "6.40",
            "prefix_cost": "115.21",
            "data_read_per_join": "24K"
          },
          "used_columns": [
            "id",
            "code"
          ]
        }
      },
      {
        "table": {
          "table_name": "f",
          "access_type": "ref",
          "possible_keys": [
            "idx_group_id"
          ],
          "key": "idx_group_id",
          "used_key_parts": [
            "group_id"
          ],
          "key_length": "4",
          "ref": [
            "portal.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 32,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "32.00",
            "eval_cost": "6.40",
            "prefix_cost": "153.61",
            "data_read_per_join": "3K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      }
    ]
  }
}