admin not working

[tropical]

PHP 4.9.7.
I have just installed fresh V157 and added zencart wesminster temlate. a week later I cannot access to admin page. I ve followed all items from this https://docs.zen-cart.com/user/troub...dmin_password/
but not work. How can I do? ( I backed up before following no. 4 Use phpMyAdmin
with this step below can I change to other username/password

DELETE FROM admin WHERE admin_name = 'Admin';
INSERT INTO admin (admin_name, admin_email, admin_pass, admin_profile)
VALUES ('Admin', 'admin@localhost', '351683ea4e19efe34874b501fdbf9792:9b', 1);