SELECT 
  product_id, 
  group_id 
FROM 
  cscart_product_variation_group_products 
WHERE 
  group_id IN (
    176, 181, 175, 212, 223, 174, 177, 217, 
    170, 211, 173, 216, 219, 167, 166, 210, 
    193, 148, 144, 156, 161, 165, 129, 158, 
    182, 160, 244, 162, 215, 159, 164, 157, 
    130, 229, 145, 141, 220, 213, 155, 147, 
    146, 179, 225, 153, 228, 227, 168, 221, 
    151, 171, 172, 152, 226
  )

Query time 0.00094

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "50.90"
    },
    "table": {
      "table_name": "cscart_product_variation_group_products",
      "access_type": "index",
      "possible_keys": [
        "idx_group_id"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id",
        "group_id"
      ],
      "key_length": "6",
      "rows_examined_per_scan": 501,
      "rows_produced_per_join": 181,
      "filtered": "36.33",
      "using_index": true,
      "cost_info": {
        "read_cost": "32.71",
        "eval_cost": "18.20",
        "prefix_cost": "50.91",
        "data_read_per_join": "2K"
      },
      "used_columns": [
        "product_id",
        "group_id"
      ],
      "attached_condition": "(`test_uchur_k`.`cscart_product_variation_group_products`.`group_id` in (176,181,175,212,223,174,177,217,170,211,173,216,219,167,166,210,193,148,144,156,161,165,129,158,182,160,244,162,215,159,164,157,130,229,145,141,220,213,155,147,146,179,225,153,228,227,168,221,151,171,172,152,226))"
    }
  }
}