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 (
    97712, 98054, 98055, 98056, 98057, 98058, 
    98059, 98060, 98061, 98062, 98063, 
    98064, 98065, 98066, 98067, 98068, 
    98069, 98070, 98071, 98072, 98073, 
    98074, 98075, 98076, 98077, 98078, 
    98079, 98080, 98081, 98082, 98083, 
    98523, 98524, 98525, 98526, 98527, 
    98528, 98529, 98530, 98531, 98532, 
    98533, 98534, 98535, 98536, 98537, 
    98557, 98558, 98559, 98773, 98774, 
    98775, 98776, 98777, 98778, 98779, 
    98780, 98781, 98782, 98783, 98784, 
    98785, 98786, 98787, 98788, 98789, 
    98790, 98791, 98792, 98793, 98794, 
    98795, 98796, 98797, 98798, 98799, 
    98800, 98801, 98802, 98803, 98804, 
    98805, 98806, 98807, 98808, 98809, 
    98810, 98811, 98812, 98813, 98814, 
    98874, 98875, 98876, 98877, 99056
  )

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 (97712,98054,98055,98056,98057,98058,98059,98060,98061,98062,98063,98064,98065,98066,98067,98068,98069,98070,98071,98072,98073,98074,98075,98076,98077,98078,98079,98080,98081,98082,98083,98523,98524,98525,98526,98527,98528,98529,98530,98531,98532,98533,98534,98535,98536,98537,98557,98558,98559,98773,98774,98775,98776,98777,98778,98779,98780,98781,98782,98783,98784,98785,98786,98787,98788,98789,98790,98791,98792,98793,98794,98795,98796,98797,98798,98799,98800,98801,98802,98803,98804,98805,98806,98807,98808,98809,98810,98811,98812,98813,98814,98874,98875,98876,98877,99056))",
          "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"
          ]
        }
      }
    ]
  }
}