UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6F6TOAjbrGy1xDvFrSsaGwDhlFx42wXeR+WGhgTFY5M=' 
WHERE 
  key_id = '4e348bffd7a2a01d009cedcaa3e5881b7c405d0b8ef8a8b60407e5580167e386' 
  AND (
    token = '6F6TOAjbrGy1xDvFrSsaGwDhlFx42wXeR+WGhgTFY5M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )