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 (
    89656, 89698, 89655, 86874, 88375, 88376, 
    88331, 88332, 88339, 88370, 88371, 
    89697, 88328, 88327, 88329, 88326, 
    86872, 88368, 88369, 88373, 86875, 
    88325, 86883, 86870, 88372, 88324, 
    88367, 88323, 86868, 86871, 86873, 
    88366, 86869, 86881, 86878, 86879, 
    89720, 86876, 86886, 89719, 89722, 
    86877, 86882, 86884, 86885, 89579, 
    89581, 89583, 89585, 89587, 89578, 
    89580, 89582, 89584, 89586, 89588, 
    89577, 85567, 89576, 94024, 94025, 
    94382, 94383, 94384, 94385, 94386, 
    94387, 94388, 94389, 94390, 94391, 
    94392, 94393, 94394, 94395, 94396, 
    94397, 94398, 94399, 94400, 94401, 
    94402, 94403, 94404, 94405, 94406, 
    94407, 94408, 94409, 94410, 94411, 
    94412, 94413, 94414, 94415, 94416
  )

Query time 0.00080

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "1.05"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "f",
          "access_type": "ALL",
          "possible_keys": [
            "idx_group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "0.35",
            "data_read_per_join": "104"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "3",
          "ref": [
            "nuie_scalesta_net.f.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "0.70",
            "data_read_per_join": "400"
          },
          "used_columns": [
            "id",
            "code"
          ]
        }
      },
      {
        "table": {
          "table_name": "p",
          "access_type": "ref",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "idx_group_id",
          "used_key_parts": [
            "group_id"
          ],
          "key_length": "3",
          "ref": [
            "nuie_scalesta_net.f.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 1,
          "filtered": "100.00",
          "index_condition": "(`nuie_scalesta_net`.`p`.`product_id` in (89656,89698,89655,86874,88375,88376,88331,88332,88339,88370,88371,89697,88328,88327,88329,88326,86872,88368,88369,88373,86875,88325,86883,86870,88372,88324,88367,88323,86868,86871,86873,88366,86869,86881,86878,86879,89720,86876,86886,89719,89722,86877,86882,86884,86885,89579,89581,89583,89585,89587,89578,89580,89582,89584,89586,89588,89577,85567,89576,94024,94025,94382,94383,94384,94385,94386,94387,94388,94389,94390,94391,94392,94393,94394,94395,94396,94397,94398,94399,94400,94401,94402,94403,94404,94405,94406,94407,94408,94409,94410,94411,94412,94413,94414,94415,94416))",
          "cost_info": {
            "read_cost": "0.25",
            "eval_cost": "0.10",
            "prefix_cost": "1.05",
            "data_read_per_join": "16"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ]
        }
      }
    ]
  }
}