UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LZwGuOJas+HnRShedeDbWhU/pyc0/jPXKuBFHqq9RO0=' 
WHERE 
  key_id = 'bdfb93f28a9249a29906539a6210c6b6b6dd237f11e64efe12bee14865a4f53b' 
  AND (
    token = 'LZwGuOJas+HnRShedeDbWhU/pyc0/jPXKuBFHqq9RO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )