UPDATE wp_options SET option_value = REPLACE(option_value, 'http://www.old.com', 'http://www.new.com') WHERE option_name = 'home' OR option_name = 'siteurl';

UPDATE wp_posts SET post_content = REPLACE (post_content, 'http://www.old.com', 'http://www.new.com');

UPDATE wp_postmeta SET meta_value = REPLACE (meta_value, 'http://www.old.com','http://www.new.com');

UPDATE wp_comments SET comment_content = REPLACE (comment_content, 'http://www.old.com', 'http://www.new.com');

UPDATE wp_comments SET comment_author_url = REPLACE (comment_author_url, 'http://www.old.com','http://www.new.com');

UPDATE wp_posts SET guid = REPLACE (guid, 'http://www.old.com', 'http://www.new.com') WHERE post_type = 'attachment';

server
        {
        listen 80; 
        listen 443 ssl http2;
        server_name www.old.com old.com ;
        ssl_certificate /ssl/old.com.crt;
        ssl_certificate_key /ssl/old.com.key;                            
        if ( $scheme = "http" ) {
                return 301 https://www.new.com$request_uri;
        }
        location / {
        rewrite ^(.*)$  https://www.new.com$1 permanent;
        }
        }

nginx -t