UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PQb7KjhVTZecolEhgYTj+kc2G2KT7pYAevuoTvRhjqU=' 
WHERE 
  key_id = '4b8f4f6aa88f0f1cf8c11f29aca2b8e6256ed35dcd343f8fb53220b45cdcb135' 
  AND (
    token = 'PQb7KjhVTZecolEhgYTj+kc2G2KT7pYAevuoTvRhjqU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )