UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'B8DHFVtS//+ga08tRzJzZ+r99ON6TvVJMErsaqE/kcw=' 
WHERE 
  key_id = '6dc4c25a6bc65677c86caa365f3d4821afcf9ba76c221266bb89c39faa91b48d' 
  AND (
    token = 'B8DHFVtS//+ga08tRzJzZ+r99ON6TvVJMErsaqE/kcw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )