UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/ScTW/7LFqzlCQBZr+UpZayvnWDeYjmBX9zU+99+ABU=' 
WHERE 
  key_id = '8fe9a48a7f1f8336ee31016e472de5b5bf77f3700cd50694655da22d9cd771c3' 
  AND (
    token = '/ScTW/7LFqzlCQBZr+UpZayvnWDeYjmBX9zU+99+ABU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )