UPDATE lportal.JournalArticle SET content = REPLACE ( content, 'URL', 'Existing URL') where groupid=93620 and articleId=94544;
where gruopid is id of the organization and articleId is the id of the article you are going to change the web-content.
where gruopid is id of the organization and articleId is the id of the article you are going to change the web-content.