UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MaRgba+mwi0KvrbPKt6AJLMVDRaBa7jrv/pfhoIgJqo=' 
WHERE 
  key_id = '4e542bb4983f7497fdc77d58f88181e51408d56c9139f8ae3fdbaf630ac1926f' 
  AND (
    token = 'MaRgba+mwi0KvrbPKt6AJLMVDRaBa7jrv/pfhoIgJqo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )