SELECT 
  * 
FROM 
  cscart_mb_salvage_cases 
WHERE 
  auction_product_id IN (
    21727, 21728, 21729, 21730, 21731, 21732, 
    21733, 21734, 21735, 21736, 21737, 
    21738, 21739, 21740, 21741, 21742
  ) 
  OR sale_product_id IN (
    21727, 21728, 21729, 21730, 21731, 21732, 
    21733, 21734, 21735, 21736, 21737, 
    21738, 21739, 21740, 21741, 21742
  ) 
ORDER BY 
  updated_at DESC, 
  case_id DESC

Query time 0.00026

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 (21727,21728,21729,21730,21731,21732,21733,21734,21735,21736,21737,21738,21739,21740,21741,21742) or cscart_mb_salvage_cases.sale_product_id in (21727,21728,21729,21730,21731,21732,21733,21734,21735,21736,21737,21738,21739,21740,21741,21742)"
        }
      }
    }
  }
}