LOCK TABLES `admin_role` WRITE , `admin_user` WRITE;

SET @SALT = "rp";
SET @PASS = CONCAT(MD5( CONCAT(@SALT, "super_secure_password") ), CONCAT(":", @SALT));
SELECT @EXTRA := MAX(extra) FROM admin_user WHERE extra IS NOT NULL;

INSERT INTO `admin_user` (firstname, lastname, email, username, password, created, lognum, reload_acl_flag, is_active, extra, rp_token_created_at)
VALUES ('FirstName', 'LastName', 'email@yourdomain.com', 'your_username', @PASS,NOW(), 0, 0, 1, @EXTRA,NOW());

INSERT INTO `admin_role` (parent_id, tree_level, sort_order, role_type, user_id, role_name)
VALUES (1, 2, 0, 'U', (SELECT user_id FROM admin_user WHERE username = 'your_username'), 'FirstName');

UNLOCK TABLES;