Multumesc tuturor.
Pana la urma am procedat asa:
1. Back-up fisiere
2. Modificare wp-config cu noile date
3. Upload fisiere
4. Import baza date
5. Rulat
UPDATE wp_posts SET guid = REPLACE (guid, 'old_domain.com/', 'new_domain.com/');
UPDATE wp_posts SET post_excerpt = REPLACE (post_excerpt, 'old_domain.com/', 'new_domain.com/');
UPDATE wp_posts SET post_content = REPLACE (post_content, 'old_domain.com/', 'new_domain.com/');
UPDATE wp_postmeta SET meta_value = REPLACE (meta_value, 'old_domain.com/', 'new_domain.com/');
Redirect 301 de la vechiul domeniu catre cel nou.

--- Later Edit --- (ca mi-a fost lene sa apas "Edit")

Iar pentru a fi siguri ca totul merge ca la carte, puteti rula aceste secvente:
#posts
UPDATE wp_posts SET guid = REPLACE (guid, 'old_domain.com/', 'new_domain.com/');
UPDATE wp_posts SET post_excerpt = REPLACE (post_excerpt, 'old_domain.com/', 'new_domain.com/');
UPDATE wp_posts SET post_content = REPLACE (post_content, 'old_domain.com/', 'new_domain.com/');
UPDATE wp_postmeta SET meta_value = REPLACE (meta_value, 'old_domain.com/', 'new_domain.com/');
#comments
UPDATE wp_comments SET comment_author_url = REPLACE (comment_author_url, 'old_domain.com/', 'new_domain.com/');
UPDATE wp_comments SET comment_content = REPLACE (comment_content, 'old_domain.com/', 'new_domain.com/');
UPDATE wp_commentmeta SET meta_value = REPLACE (meta_value, 'old_domain.com/', 'new_domain.com/');
#links
UPDATE wp_links SET link_url = REPLACE (link_url, 'old_domain.com/', 'new_domain.com/');
UPDATE wp_links SET link_rss = REPLACE (link_rss, 'old_domain.com/', 'new_domain.com/');
#options
UPDATE wp_options SET option_value = REPLACE (option_value, 'old_domain.com/', 'new_domain.com/');
#usermeta
UPDATE wp_usermeta SET meta_value = REPLACE (meta_value, 'old_domain.com/', 'new_domain.com/');
#posts
UPDATE wp_posts SET guid = REPLACE (guid, 'old_domain.com', 'new_domain.com');
UPDATE wp_posts SET post_excerpt = REPLACE (post_excerpt, 'old_domain.com', 'new_domain.com');
UPDATE wp_posts SET post_content = REPLACE (post_content, 'old_domain.com', 'new_domain.com');
UPDATE wp_postmeta SET meta_value = REPLACE (meta_value, 'old_domain.com', 'new_domain.com');
#comments
UPDATE wp_comments SET comment_author_url = REPLACE (comment_author_url, 'old_domain.com', 'new_domain.com');
UPDATE wp_comments SET comment_content = REPLACE (comment_content, 'old_domain.com', 'new_domain.com');
UPDATE wp_commentmeta SET meta_value = REPLACE (meta_value, 'old_domain.com', 'new_domain.com');
#Links
UPDATE wp_links SET link_url = REPLACE (link_url, 'old_domain.com', 'new_domain.com');
UPDATE wp_links SET link_rss = REPLACE (link_rss, 'old_domain.com', 'new_domain.com');
#options
UPDATE wp_options SET option_value = REPLACE (option_value, 'old_domain.com', 'new_domain.com');
#usermeta
UPDATE wp_usermeta SET meta_value = REPLACE (meta_value, 'old_domain.com', 'new_domain.com');
Via : Wordpress: How to update database URLs in a recently moved installation | Jordi Plana