UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RF4JMVoMByrsyCGTAijk/TNzBXAsjcTYyLoWGzrhMoE=' 
WHERE 
  key_id = 'b51ef65673827bf9919699f61faf631b66f815bfb7fe43a41778451c8404e888' 
  AND (
    token = 'RF4JMVoMByrsyCGTAijk/TNzBXAsjcTYyLoWGzrhMoE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )