UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yzX1hDU9fvT1P8uCrLTflQe8vqD57xHnzPSG6emVR+Q=' 
WHERE 
  key_id = '18ef19a7cda29bc826ba12cccc435b7489800fc0cfe4a4e85fb3291e5297098c' 
  AND (
    token = 'yzX1hDU9fvT1P8uCrLTflQe8vqD57xHnzPSG6emVR+Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )