High cpu

Hi,
High mysql cpu usage:

894201 | admin_gallery2 | localhost | wordpress_4 | Query | 1 | Sending data | SELECT *
FROM wp_posts
WHERE post_type=’attachment’
AND post_mime_type LIKE ‘image/%’
AND ID>108672
ORDER BY ID ASC
LIMIT 50 | 0.000 |
| 2894253 | admin_gallery2 | localhost | wordpress_4 | Sleep | 5 | | NULL | 0.000 |
| 2894257 | admin_gallery2 | localhost | wordpress_4 | Sleep | 1 | | NULL | 0.000 |
| 2894286 | admin_gallery2 | localhost | wordpress_4 | Query | 1 | Sending data | SELECT post_id FROM wp_postmeta WHERE meta_key = ‘_wp_attached_file’ AND meta_value = ”

more than 400%

How to solve it?

Thanks,