Solved it by:
location ^~ /bin/ {
expires 30d;
add_header X-Cache-Status $upstream_cache_status;
proxy_pass http://{DOMAIN};
proxy_ignore_headers X-Accel-Expires Expires Cache-Control;
proxy_cache my-cache;
proxy_cache_key "$host$request_uri";
proxy_cache_valid 200 30d;
proxy_cache_valid 301 302 10m;
proxy_cache_valid 404 1m;
}
location ^~ /bin/ {
expires 30d;
add_header X-Cache-Status $upstream_cache_status;
proxy_pass http://{DOMAIN};
proxy_ignore_headers X-Accel-Expires Expires Cache-Control;
proxy_cache my-cache;
proxy_cache_key "$host$request_uri";
proxy_cache_valid 200 30d;
proxy_cache_valid 301 302 10m;
proxy_cache_valid 404 1m;
}