assuming you know the hash of your password you can insert an account with the following sql
INSERT INTO `wp_users` ( `user_login`, `user_pass`, `user_nicename`, `user_email`, `user_url`, `user_registered`, `user_activation_key`, `user_status`, `display_name`) VALUES ('SOMEUSERNAME','SOMEPASSWORDHASH','SOMENICKNAME','SOME@EMAIL.ADDR','','1955-11-05 00:00:00','SOMEACTIVATIONKEY',0,'SOMEDISPLAYNAME'); INSERT INTO `wp_usermeta` ( `user_id`, `meta_key`, `meta_value`) SELECT `ID`, 'wp_capabilities', 'a:1:{s:13:\"administrator\";b:1;}' FROM `wp_users` WHERE `user_login`='SOMEUSERNAME';