SELECT 
  product_id 
FROM 
  cscart_product_popularity 
WHERE 
  product_id IN (
    13015, 13016, 13017, 13018, 13019, 13020, 
    13021, 13022, 13023, 13024, 13025, 
    13026, 13027
  )

Query time 0.00037

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "2.92"
    },
    "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": 13,
      "rows_produced_per_join": 13,
      "filtered": "100.00",
      "using_index": true,
      "cost_info": {
        "read_cost": "1.62",
        "eval_cost": "1.30",
        "prefix_cost": "2.92",
        "data_read_per_join": "416"
      },
      "used_columns": [
        "product_id"
      ],
      "attached_condition": "(`test2_gaseus`.`cscart_product_popularity`.`product_id` in (13015,13016,13017,13018,13019,13020,13021,13022,13023,13024,13025,13026,13027))"
    }
  }
}