UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ud1dMgVTj07eIB/WXIitZBMb2NhxlGhO27yzip//z6c=' 
WHERE 
  key_id = '646808ac39ab67c73916d9b8d401df81614304596ce05f9663b0f335d7afbdcf' 
  AND (
    token = 'Ud1dMgVTj07eIB/WXIitZBMb2NhxlGhO27yzip//z6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )