UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xQv7nWk5sT7zJsJwN6IGko0Cs5GBESl4O2hGemJzQH0=' 
WHERE 
  key_id = 'fc6a18ac04ec923a15e9d552be077dfdee808bba4921018804e1b66d1e53c8c6' 
  AND (
    token = 'xQv7nWk5sT7zJsJwN6IGko0Cs5GBESl4O2hGemJzQH0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )