SELECT 
  * 
FROM 
  cscart_mb_salvage_cases 
WHERE 
  auction_product_id IN (
    18749, 18750, 18751, 18752, 18753, 18754, 
    18755, 18756, 18757, 18758, 18759, 
    18760, 18761, 18762, 18763, 18764
  ) 
  OR sale_product_id IN (
    18749, 18750, 18751, 18752, 18753, 18754, 
    18755, 18756, 18757, 18758, 18759, 
    18760, 18761, 18762, 18763, 18764
  ) 
ORDER BY 
  updated_at DESC, 
  case_id DESC

Query time 0.00029

JSON explain

{
  "query_block": {
    "select_id": 1,
    "read_sorted_file": {
      "filesort": {
        "sort_key": "cscart_mb_salvage_cases.updated_at desc, cscart_mb_salvage_cases.case_id desc",
        "table": {
          "table_name": "cscart_mb_salvage_cases",
          "access_type": "ALL",
          "rows": 58,
          "filtered": 100,
          "attached_condition": "cscart_mb_salvage_cases.auction_product_id in (18749,18750,18751,18752,18753,18754,18755,18756,18757,18758,18759,18760,18761,18762,18763,18764) or cscart_mb_salvage_cases.sale_product_id in (18749,18750,18751,18752,18753,18754,18755,18756,18757,18758,18759,18760,18761,18762,18763,18764)"
        }
      }
    }
  }
}