SELECT 
  product_id 
FROM 
  cscart_product_popularity 
WHERE 
  product_id IN (
    277975, 277976, 277977, 277978, 277979, 
    277980, 277981, 277982, 277983, 277984, 
    286609, 286610, 286612, 286613, 286614, 
    286615, 286616
  )

Query time 0.00075

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "7.83"
    },
    "table": {
      "table_name": "cscart_product_popularity",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "total"
      ],
      "key": "total",
      "used_key_parts": [
        "product_id"
      ],
      "key_length": "3",
      "rows_examined_per_scan": 17,
      "rows_produced_per_join": 17,
      "filtered": "100.00",
      "using_index": true,
      "cost_info": {
        "read_cost": "4.43",
        "eval_cost": "3.40",
        "prefix_cost": "7.83",
        "data_read_per_join": "544"
      },
      "used_columns": [
        "product_id"
      ],
      "attached_condition": "(`webmarco`.`cscart_product_popularity`.`product_id` in (277975,277976,277977,277978,277979,277980,277981,277982,277983,277984,286609,286610,286612,286613,286614,286615,286616))"
    }
  }
}