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 (
    513, 514, 467, 468, 469, 470, 471, 472, 
    473, 474, 475, 476, 477, 478, 479, 480, 
    481, 482, 483, 484, 485, 486, 487, 488, 
    490, 491, 492, 493, 494, 495
  )

Query time 0.00051

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "144.01"
    },
    "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": 30,
          "rows_produced_per_join": 30,
          "filtered": "100.00",
          "index_condition": "(`portal`.`p`.`product_id` in (513,514,467,468,469,470,471,472,473,474,475,476,477,478,479,480,481,482,483,484,485,486,487,488,490,491,492,493,494,495))",
          "cost_info": {
            "read_cost": "66.01",
            "eval_cost": "6.00",
            "prefix_cost": "72.01",
            "data_read_per_join": "480"
          },
          "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": 30,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "30.00",
            "eval_cost": "6.00",
            "prefix_cost": "108.01",
            "data_read_per_join": "22K"
          },
          "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": 30,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "30.00",
            "eval_cost": "6.00",
            "prefix_cost": "144.01",
            "data_read_per_join": "3K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      }
    ]
  }
}