UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qnusyAabBiw79zfpbR+Wyc4zmrEeSWejmtwBTtvSWzk=' 
WHERE 
  key_id = 'cddff301d43bcfb377dad834a9da0cc297cede75778e0ad52702bd1f8fff7e5e' 
  AND (
    token = 'qnusyAabBiw79zfpbR+Wyc4zmrEeSWejmtwBTtvSWzk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )