UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r1aejfUU9AkgvjWPf1XGAhEl5tTz1mk8C9NuZnmV++Y=' 
WHERE 
  key_id = '335aa95b6038d83db719b7048baa32283f533b345689045ee764123adbe9d2fa' 
  AND (
    token = 'r1aejfUU9AkgvjWPf1XGAhEl5tTz1mk8C9NuZnmV++Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )