UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GP3PO/mGWRWb3u3KTyAMj2dCHYoR3isZ+//dX3hEJm8=' 
WHERE 
  key_id = 'efc28631a7fb5e31ec6df22621226474a16764021f87e228756be6b266f80218' 
  AND (
    token = 'GP3PO/mGWRWb3u3KTyAMj2dCHYoR3isZ+//dX3hEJm8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )