SELECT 
  product_id 
FROM 
  cscart_product_popularity 
WHERE 
  product_id IN (
    11048, 11049, 11050, 11051, 11052, 11053, 
    11054, 11055, 11056, 11057, 11058, 
    11059, 11060, 11061, 11062, 11063, 
    11065, 11066, 11064
  )

Query time 0.00055

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "4.15"
    },
    "table": {
      "table_name": "cscart_product_popularity",
      "access_type": "range",
      "possible_keys": [
        "PRIMARY",
        "total"
      ],
      "key": "PRIMARY",
      "used_key_parts": [
        "product_id"
      ],
      "key_length": "3",
      "rows_examined_per_scan": 19,
      "rows_produced_per_join": 19,
      "filtered": "100.00",
      "using_index": true,
      "cost_info": {
        "read_cost": "2.25",
        "eval_cost": "1.90",
        "prefix_cost": "4.15",
        "data_read_per_join": "608"
      },
      "used_columns": [
        "product_id"
      ],
      "attached_condition": "(`gaseus`.`cscart_product_popularity`.`product_id` in (11048,11049,11050,11051,11052,11053,11054,11055,11056,11057,11058,11059,11060,11061,11062,11063,11065,11066,11064))"
    }
  }
}