UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'g8zn9fJgoNUfk2axX8WPWebEZ50xSKgxJSeQhgtLkgY=' 
WHERE 
  key_id = '4143a74fe4bd83c044269b9822b18c357ae74c8b9d701de5faa27659373a9a6b' 
  AND (
    token = 'g8zn9fJgoNUfk2axX8WPWebEZ50xSKgxJSeQhgtLkgY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )