UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '2MKnt8yL5Nl7X0BRMJzsmlfpAtbqkhz2E44wrrOBZKY=' 
WHERE 
  key_id = '4a6b7cd7d0e457f572e91a708de4a9995307468696940dbb31d340fd9732af65' 
  AND (
    token = '2MKnt8yL5Nl7X0BRMJzsmlfpAtbqkhz2E44wrrOBZKY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )