UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/6xwGhydO/QLUZhhhphm3DP8iE0oU2ui3WvqBfA7cic=' 
WHERE 
  key_id = '2f7f1b71a857856165816a403026b6496076725b9b064dcd2f08417113da2c60' 
  AND (
    token = '/6xwGhydO/QLUZhhhphm3DP8iE0oU2ui3WvqBfA7cic=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )