SELECT 
  * 
FROM 
  cscart_mb_salvage_cases 
WHERE 
  auction_product_id IN (
    20077, 20078, 20079, 20080, 20081, 20082, 
    20083, 20084, 20085, 20086, 20087, 
    20088, 20089, 20090, 20091, 20092
  ) 
  OR sale_product_id IN (
    20077, 20078, 20079, 20080, 20081, 20082, 
    20083, 20084, 20085, 20086, 20087, 
    20088, 20089, 20090, 20091, 20092
  ) 
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 (20077,20078,20079,20080,20081,20082,20083,20084,20085,20086,20087,20088,20089,20090,20091,20092) or cscart_mb_salvage_cases.sale_product_id in (20077,20078,20079,20080,20081,20082,20083,20084,20085,20086,20087,20088,20089,20090,20091,20092)"
        }
      }
    }
  }
}