UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WXg9tljwqz9aFDcT/FlzaS6jPftYemNfAt30bq5hGww=' 
WHERE 
  key_id = 'c85696329176f5b74c5adba1a4a02da895e54af6a45f690cecc713ea1e4799fd' 
  AND (
    token = 'WXg9tljwqz9aFDcT/FlzaS6jPftYemNfAt30bq5hGww=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00029