SELECT * FROM hWqKk_usermeta WHERE meta_key like '%%course_completed_%%' ORDER BY user_id asc, meta_value asc

stdClass Object
(
    [umeta_id] => 251899
    [user_id] => 2
    [meta_key] => course_completed_38022
    [meta_value] => 1697196872
)

stdClass Object
(
    [umeta_id] => 168109
    [user_id] => 1872
    [meta_key] => course_completed_27221
    [meta_value] => 1641081600
)

stdClass Object
(
    [umeta_id] => 168182
    [user_id] => 1872
    [meta_key] => course_completed_28950
    [meta_value] => 1642896000
)

stdClass Object
(
    [umeta_id] => 167907
    [user_id] => 1872
    [meta_key] => course_completed_24532
    [meta_value] => 1664928000
)

stdClass Object
(
    [umeta_id] => 168181
    [user_id] => 1872
    [meta_key] => course_completed_28248
    [meta_value] => 1666742400
)

stdClass Object
(
    [umeta_id] => 168108
    [user_id] => 1872
    [meta_key] => course_completed_27365
    [meta_value] => 1668556800
)

stdClass Object
(
    [umeta_id] => 168130
    [user_id] => 1872
    [meta_key] => course_completed_28812
    [meta_value] => 1670371200
)

stdClass Object
(
    [umeta_id] => 251899
    [user_id] => 2
    [meta_key] => course_completed_38022
    [meta_value] => 1697196872
)

stdClass Object
(
    [umeta_id] => 168109
    [user_id] => 1872
    [meta_key] => course_completed_27221
    [meta_value] => 1641081600
)

stdClass Object
(
    [umeta_id] => 168182
    [user_id] => 1872
    [meta_key] => course_completed_28950
    [meta_value] => 1642896000
)

1814400 1814400

stdClass Object
(
    [umeta_id] => 167907
    [user_id] => 1872
    [meta_key] => course_completed_24532
    [meta_value] => 1664928000
)

22032000 1814400

stdClass Object
(
    [umeta_id] => 168181
    [user_id] => 1872
    [meta_key] => course_completed_28248
    [meta_value] => 1666742400
)

1814400 1814400

stdClass Object
(
    [umeta_id] => 168108
    [user_id] => 1872
    [meta_key] => course_completed_27365
    [meta_value] => 1668556800
)

1814400 1814400

stdClass Object
(
    [umeta_id] => 168130
    [user_id] => 1872
    [meta_key] => course_completed_28812
    [meta_value] => 1670371200
)

1814400 1814400