UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l6POYAevqrwLxTJ5xTZBHROnjvZJ0QMgEuwrF8E6vMw=' 
WHERE 
  key_id = 'b494d346fb98aae753c7c3168979664df9330897a550303bd27021481d93be68' 
  AND (
    token = 'l6POYAevqrwLxTJ5xTZBHROnjvZJ0QMgEuwrF8E6vMw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )