UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+/fbR0KUi46RfHmLYJGoEjJDEV/wYMXg+ccfYBpIyPs=' 
WHERE 
  key_id = '4756cfe691979db1f93bbe1310af7772d73b7ca3544c9ab44bc18ea6955f4f76' 
  AND (
    token = '+/fbR0KUi46RfHmLYJGoEjJDEV/wYMXg+ccfYBpIyPs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )