SELECT 
  f.feature_id, 
  f.purpose, 
  p.product_id, 
  p.parent_product_id, 
  g.id, 
  g.code 
FROM 
  cscart_product_variation_group_features AS f 
  INNER JOIN cscart_product_variation_groups AS g ON f.group_id = g.id 
  INNER JOIN cscart_product_variation_group_products AS p ON f.group_id = p.group_id 
WHERE 
  p.product_id IN (
    13407, 13408, 13409, 13410, 13411, 13412, 
    13413, 13414, 13415, 13416, 13417, 
    13418, 13419, 13420, 13421, 13422, 
    13423, 13424, 13425, 13426, 13427, 
    13428, 13429, 13430
  )

Query time 0.00130

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost": 0.09366448,
    "nested_loop": [
      {
        "table": {
          "table_name": "p",
          "access_type": "range",
          "possible_keys": ["PRIMARY", "idx_group_id"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["product_id"],
          "loops": 1,
          "rows": 24,
          "cost": 0.02605648,
          "filtered": 100,
          "attached_condition": "p.product_id in (13407,13408,13409,13410,13411,13412,13413,13414,13415,13416,13417,13418,13419,13420,13421,13422,13423,13424,13425,13426,13427,13428,13429,13430)"
        }
      },
      {
        "table": {
          "table_name": "f",
          "access_type": "ref",
          "possible_keys": ["idx_group_id"],
          "key": "idx_group_id",
          "key_length": "3",
          "used_key_parts": ["group_id"],
          "ref": ["u508912950_dev_2025.p.group_id"],
          "loops": 24,
          "rows": 1,
          "cost": 0.04532224,
          "filtered": 100
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": ["PRIMARY"],
          "key": "PRIMARY",
          "key_length": "3",
          "used_key_parts": ["id"],
          "ref": ["u508912950_dev_2025.p.group_id"],
          "loops": 24,
          "rows": 1,
          "cost": 0.02228576,
          "filtered": 100
        }
      }
    ]
  }
}