UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KVC5uISIJVrzPVGN0p6RRCscmtnva8sXgCdS+E5oT+k=' 
WHERE 
  key_id = 'a45cfec6ec652bfc9f57036b732e734a5448467da189607806f94316187535f2' 
  AND (
    token = 'KVC5uISIJVrzPVGN0p6RRCscmtnva8sXgCdS+E5oT+k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )