UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nc7giDUZKqHNpwAIfnTk7JRxnOJbCIKsQtV5l/DgMWI=' 
WHERE 
  key_id = '56b8e69b8ea8e054dea87aff12479f1086c6cc1331278f13ac900b60bf8ed5fa' 
  AND (
    token = 'nc7giDUZKqHNpwAIfnTk7JRxnOJbCIKsQtV5l/DgMWI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )