UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g3uIZFnZrVfC2glkeOWOywFhNs7WWflvoG1O4MCY9eA=' 
WHERE 
  key_id = '36f0ef61d4818030971da78e21796f369f09846ef18ab0518562d611c18a3376' 
  AND (
    token = 'g3uIZFnZrVfC2glkeOWOywFhNs7WWflvoG1O4MCY9eA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )