Limit and Offset

Assume you have a "users" table with the following structure:

CREATE TABLE users (
   id int NOT NULL AUTO_INCREMENT,
   user_id int NOT NULL,
   registered_at datetime NOT NULL,
   name varchar(20) COLLATE utf8_unicode_ci NOT NULL,
   PRIMARY KEY (id)
) ;

Please, select the names and the registration dates of the last 5 users to register at our site.