SELECT 
  * 
FROM 
  cscart_mb_salvage_cases 
WHERE 
  auction_product_id IN (
    21919, 21920, 21921, 21922, 21923, 21924, 
    21925, 21926, 21927, 21928, 21929, 
    21930, 21931, 21932, 21933, 21934
  ) 
  OR sale_product_id IN (
    21919, 21920, 21921, 21922, 21923, 21924, 
    21925, 21926, 21927, 21928, 21929, 
    21930, 21931, 21932, 21933, 21934
  ) 
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 (21919,21920,21921,21922,21923,21924,21925,21926,21927,21928,21929,21930,21931,21932,21933,21934) or cscart_mb_salvage_cases.sale_product_id in (21919,21920,21921,21922,21923,21924,21925,21926,21927,21928,21929,21930,21931,21932,21933,21934)"
        }
      }
    }
  }
}