UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'TtPEQ2IVH8jkOt0T4TF0CoUBgBTLL98/G557XYB49fU=' 
WHERE 
  key_id = 'f8c67194290427f36c3173a38ee3de1a4f8ee417c94467afa8e2e279901aed72' 
  AND (
    token = 'TtPEQ2IVH8jkOt0T4TF0CoUBgBTLL98/G557XYB49fU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )