UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HGnFlIwE6lIorOfee9hGfRlpLYe4maAIgEs8bnKuVBI=' 
WHERE 
  key_id = '84b66859f69031f252fac2804ccf7f819a705557e973730e184ed521ca07d519' 
  AND (
    token = 'HGnFlIwE6lIorOfee9hGfRlpLYe4maAIgEs8bnKuVBI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )