SELECT 
  * 
FROM 
  cscart_mb_salvage_cases 
WHERE 
  auction_product_id IN (
    21101, 21102, 21103, 21104, 21105, 21106, 
    21107, 21108, 21109, 21110, 21111, 
    21112, 21113, 21114, 21115, 21116
  ) 
  OR sale_product_id IN (
    21101, 21102, 21103, 21104, 21105, 21106, 
    21107, 21108, 21109, 21110, 21111, 
    21112, 21113, 21114, 21115, 21116
  ) 
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 (21101,21102,21103,21104,21105,21106,21107,21108,21109,21110,21111,21112,21113,21114,21115,21116) or cscart_mb_salvage_cases.sale_product_id in (21101,21102,21103,21104,21105,21106,21107,21108,21109,21110,21111,21112,21113,21114,21115,21116)"
        }
      }
    }
  }
}