UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yhynpqY/t9qJlBO5NSYzbxpy2mn4kl5Qz+v5f5FswkM=' 
WHERE 
  key_id = '791d4f84f7ee95ac3421af7d67669c161dd724532135d93f6ba608f977431233' 
  AND (
    token = 'yhynpqY/t9qJlBO5NSYzbxpy2mn4kl5Qz+v5f5FswkM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )