UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dg5b1+nREd5OoDjnXzOn9cTx3TiwqtDny4yJpP+gS/0=' 
WHERE 
  key_id = '0ef518422f786a5f546bbd4e25107c3f0cce00f9cde62f61356b335d16301934' 
  AND (
    token = 'Dg5b1+nREd5OoDjnXzOn9cTx3TiwqtDny4yJpP+gS/0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )