UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9DMPHjGaCTmBcLrnrhULWrobSPl7axcBYJg1MjcO/68=' 
WHERE 
  key_id = '994da5eea30bb55624bcbaa7e33b7385fee6ee499abe72a834e2360068afe9c5' 
  AND (
    token = '9DMPHjGaCTmBcLrnrhULWrobSPl7axcBYJg1MjcO/68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )