UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LwVHyKP6CKty5sxdCu8spp/gVdEzZcBZTOHG+kX6U1k=' 
WHERE 
  key_id = 'e539262e7b69a49c03349f17d5ca3850e315e2ea575474c28fa53dce9206e13f' 
  AND (
    token = 'LwVHyKP6CKty5sxdCu8spp/gVdEzZcBZTOHG+kX6U1k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )