UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zi84DBTrfb6fARNCrIEH8qWGGu8K57EeS5BEvq9KJQQ=' 
WHERE 
  key_id = '8e909a91f4773be8a4d695cfee84299aacf86722a0029e5ab65047e512d24561' 
  AND (
    token = 'Zi84DBTrfb6fARNCrIEH8qWGGu8K57EeS5BEvq9KJQQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )