SELECT 
  query 
FROM 
  cscart_cito_search_query 
WHERE 
  last_timestamp > 1759783734 
  AND storefront_id = 1 
ORDER BY 
  `count` DESC 
LIMIT 
  10

Query time 0.00605

JSON explain

{
  "query_block": {
    "select_id": 1,
    "cost_info": {
      "query_cost": "2648.35"
    },
    "ordering_operation": {
      "using_filesort": true,
      "table": {
        "table_name": "cscart_cito_search_query",
        "access_type": "ALL",
        "rows_examined_per_scan": 26241,
        "rows_produced_per_join": 874,
        "filtered": "3.33",
        "cost_info": {
          "read_cost": "2560.89",
          "eval_cost": "87.46",
          "prefix_cost": "2648.35",
          "data_read_per_join": "676K"
        },
        "used_columns": [
          "query",
          "storefront_id",
          "lang_code",
          "count",
          "last_timestamp"
        ],
        "attached_condition": "((`dbggbern`.`cscart_cito_search_query`.`storefront_id` = 1) and (`dbggbern`.`cscart_cito_search_query`.`last_timestamp` > 1759783734))"
      }
    }
  }
}