UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'znGR5uxQ8IWptztftfzCRrSfypbZQyquOiWXeqPOhGQ=' 
WHERE 
  key_id = '29fcb89aab73fa0121dca56db95a880aed4a217302a295093c78881b2b0c6d87' 
  AND (
    token = 'znGR5uxQ8IWptztftfzCRrSfypbZQyquOiWXeqPOhGQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )