SELECT
ms_courses.courses_id,
ms_courses.courses_hash,
ms_courses.courses_title,
ms_courses.courses_tags,
ms_courses.courses_descr,
ms_courses.courses_metrics,
ms_courses.courses_player,
ms_courses.courses_creation_date,
ms_courses.courses_update_date,
b.name,
c.name,
ms_courses_metrics.*,
ms_courses_players.players_title,
ms_courses_players.players_thumbnail
FROM
ms_courses, ms_courses_metrics, ms_courses_players
JOIN ms_users as b ON ms_courses.courses_creation_user = b.user_id,
JOIN ms_users as c ON ms_courses.courses_update_user = c.user_id
WHERE
(ms_courses.courses_metrics = ms_courses_metrics.metrics_id) AND
(ms_courses_players.players_id = ms_courses.courses_player) AND
(MD5(ms_courses.courses_owner) = 'a3d1ewr3238a0b923820dcc509a6f75849b')