SELECT 
  * 
FROM 
  cscart_mb_salvage_cases 
WHERE 
  auction_product_id IN (
    19901, 19902, 19903, 19904, 19905, 19906, 
    19907, 19908, 19909, 19910, 19911, 
    19912, 19913, 19914, 19915, 19916
  ) 
  OR sale_product_id IN (
    19901, 19902, 19903, 19904, 19905, 19906, 
    19907, 19908, 19909, 19910, 19911, 
    19912, 19913, 19914, 19915, 19916
  ) 
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": 56,
          "filtered": 100,
          "attached_condition": "cscart_mb_salvage_cases.auction_product_id in (19901,19902,19903,19904,19905,19906,19907,19908,19909,19910,19911,19912,19913,19914,19915,19916) or cscart_mb_salvage_cases.sale_product_id in (19901,19902,19903,19904,19905,19906,19907,19908,19909,19910,19911,19912,19913,19914,19915,19916)"
        }
      }
    }
  }
}