How to make 301 redirect url htaccess?

Question

htaccess

Hello, I'm trying to make a redirect like:
RewriteCond %{QUERY_STRING} ^_route_=old$
RewriteRule ^(.*)$ https://site/new ? [R=301,L]

i.e. I need to redirect https://site/old to https://site/new
but for some reason nothing works, please tell me what could be the problem

Answer 1

need to redirect https://site/old to https://site/new

RewriteRule ^old$ https://site/new? [R=301,L]
Put at the beginning of the file so that this rule is above the rules of OpenCart.