UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xNKcKoba9ApRsUpWPa/0llCoV7XsMuZuMbqC00jTw1Q=' 
WHERE 
  key_id = '6968e6f93545cc702962db7ef26723c4edf2e5c552406772a7fe423a2935f43a' 
  AND (
    token = 'xNKcKoba9ApRsUpWPa/0llCoV7XsMuZuMbqC00jTw1Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )