To change your PrestaShop admin password:
UPDATE ps_employee SET passwd = MD5('COOKIE_KEYnew_password') WHERE email = 'email@example.com';
If the names of the tables in the database do not start with the standard
ps_, and with a different prefix, make the appropriate change to the SQL query.
new_passwordenter a new administrator password.
firstname.lastname@example.org the mail of the administrator account for which you are changing the password.