UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '854VgISwBYJK9RujhaRJ562n9qJmaJcRQIY5yosxIPM=' 
WHERE 
  key_id = 'f6ce5511d8fc682c433a300c769b1a6ac8c7956827f5200bc01e3eb65fd34250' 
  AND (
    token = '854VgISwBYJK9RujhaRJ562n9qJmaJcRQIY5yosxIPM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )