SELECT 
  * 
FROM 
  cscart_mb_salvage_cases 
WHERE 
  auction_product_id IN (
    21439, 21440, 21441, 21442, 21443, 21444, 
    21445, 21446, 21447, 21448, 21449, 
    21450, 21451, 21452, 21453, 21454
  ) 
  OR sale_product_id IN (
    21439, 21440, 21441, 21442, 21443, 21444, 
    21445, 21446, 21447, 21448, 21449, 
    21450, 21451, 21452, 21453, 21454
  ) 
ORDER BY 
  updated_at DESC, 
  case_id DESC

Query time 0.00032

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 (21439,21440,21441,21442,21443,21444,21445,21446,21447,21448,21449,21450,21451,21452,21453,21454) or cscart_mb_salvage_cases.sale_product_id in (21439,21440,21441,21442,21443,21444,21445,21446,21447,21448,21449,21450,21451,21452,21453,21454)"
        }
      }
    }
  }
}