UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rVWMXFCO5L40zmxBShNi/v6Rut8YtazT/YRdWQtFiWg=' 
WHERE 
  key_id = '9668cef81999f46623127d83708c57afe6850150f10b65835a4ba68cc704b8de' 
  AND (
    token = 'rVWMXFCO5L40zmxBShNi/v6Rut8YtazT/YRdWQtFiWg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )