UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iwct4NYhFhvaA1cnLxsLub1qlBOsId9n3ZPzjP23sEY=' 
WHERE 
  key_id = 'ec504b79d02288068f0ebd771839db5335011af3f7a3f7b6df41d1ded7627ac5' 
  AND (
    token = 'iwct4NYhFhvaA1cnLxsLub1qlBOsId9n3ZPzjP23sEY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )