UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/AlL6v0WxRz+7ksNP/SoGyr52joxgMVfPy8QUMaK8Ck=' 
WHERE 
  key_id = '59cbeb853f0e139f801589f74e82d015d94ce44437f80fb5eadd6652720d5f90' 
  AND (
    token = '/AlL6v0WxRz+7ksNP/SoGyr52joxgMVfPy8QUMaK8Ck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )