mysql -u your_user -p your_database SELECT * FROM `option` WHERE `category` = 'system' AND `key` = 'common'; Step 3: Remove the License Data UPDATE `option` SET `value` = REPLACE(`value`, '"license_key":"YOUR_OLD_KEY"', '') WHERE `category` = 'system' AND `key` = 'common'; (Replace YOUR_OLD_KEY with the actual key or use '' to set it empty)