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 (
    430726, 431012, 431056, 431186, 430793, 
    430799, 431392, 430683, 431034, 431301, 
    431354, 431504, 430877, 430879, 431166, 
    431289, 431334, 430926, 430946, 431344, 
    430659, 430920, 430997, 431000, 431020, 
    431218, 431244, 431406, 430706, 430741, 
    430864, 431021, 431291, 431309, 431322, 
    431368, 431487, 430792, 430858, 430882, 
    431248, 431252, 431280, 339481, 430761, 
    430830, 431230, 431349, 431429, 431469, 
    430919, 430949, 430975, 431038, 431101, 
    431295, 431303, 431360, 431376, 431420, 
    431464, 430642, 430740, 431410, 431424, 
    430671, 431470, 430739, 430867, 430957, 
    431047, 431055, 431060, 431279, 431474, 
    430643, 430679, 431211, 431341, 431350, 
    430735, 430814, 430948, 431237, 392168, 
    431246, 430734, 430764, 430798, 431234, 
    431287, 430934, 430982, 431010, 431149, 
    431273, 431324, 430667, 430718, 430754
  )

Query time 0.00136

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "430.18"
    },
    "nested_loop": [
      {
        "table": {
          "table_name": "p",
          "access_type": "range",
          "possible_keys": [
            "PRIMARY",
            "idx_group_id"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "product_id"
          ],
          "key_length": "3",
          "rows_examined_per_scan": 100,
          "rows_produced_per_join": 100,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "120.12",
            "eval_cost": "20.00",
            "prefix_cost": "140.12",
            "data_read_per_join": "1K"
          },
          "used_columns": [
            "product_id",
            "parent_product_id",
            "group_id"
          ],
          "attached_condition": "(`webmarco`.`p`.`product_id` in (430726,431012,431056,431186,430793,430799,431392,430683,431034,431301,431354,431504,430877,430879,431166,431289,431334,430926,430946,431344,430659,430920,430997,431000,431020,431218,431244,431406,430706,430741,430864,431021,431291,431309,431322,431368,431487,430792,430858,430882,431248,431252,431280,339481,430761,430830,431230,431349,431429,431469,430919,430949,430975,431038,431101,431295,431303,431360,431376,431420,431464,430642,430740,431410,431424,430671,431470,430739,430867,430957,431047,431055,431060,431279,431474,430643,430679,431211,431341,431350,430735,430814,430948,431237,392168,431246,430734,430764,430798,431234,431287,430934,430982,431010,431149,431273,431324,430667,430718,430754))"
        }
      },
      {
        "table": {
          "table_name": "g",
          "access_type": "eq_ref",
          "possible_keys": [
            "PRIMARY"
          ],
          "key": "PRIMARY",
          "used_key_parts": [
            "id"
          ],
          "key_length": "3",
          "ref": [
            "webmarco.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 100,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "100.00",
            "eval_cost": "20.00",
            "prefix_cost": "260.12",
            "data_read_per_join": "39K"
          },
          "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": "3",
          "ref": [
            "webmarco.p.group_id"
          ],
          "rows_examined_per_scan": 1,
          "rows_produced_per_join": 141,
          "filtered": "100.00",
          "cost_info": {
            "read_cost": "141.72",
            "eval_cost": "28.34",
            "prefix_cost": "430.18",
            "data_read_per_join": "14K"
          },
          "used_columns": [
            "feature_id",
            "purpose",
            "group_id"
          ]
        }
      }
    ]
  }
}