UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gPO4zG2czGa7E2uRkO/XN/AekXzs11tgpVJFHUJo2WM=' 
WHERE 
  key_id = '4a84963021d43f63ddc7dee3794dfffe0430af0f9a03549259677a5c09b72144' 
  AND (
    token = 'gPO4zG2czGa7E2uRkO/XN/AekXzs11tgpVJFHUJo2WM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )