UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nb4HxqS9BqLUILSeHbzb9Nz36y+e9OyfnAXFZUmqpUc=' 
WHERE 
  key_id = '21ec1db2fb6a548e065223481c2b9d46d227706231c29868b891ee2bcef048cb' 
  AND (
    token = 'nb4HxqS9BqLUILSeHbzb9Nz36y+e9OyfnAXFZUmqpUc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )