UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MuFwaAcTYG7F2IOF+aBrqWdKp05swIjn/IKwJv6YtDg=' 
WHERE 
  key_id = '7d5538ab710e681888052c92fffc2f65da08ffb5a54d3ecdfe2916b11c977560' 
  AND (
    token = 'MuFwaAcTYG7F2IOF+aBrqWdKp05swIjn/IKwJv6YtDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )