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SELECT p.ID FROM wp_posts AS p INNER JOIN wp_term_relationships AS tr ON p.ID = tr.object_id INNER JOIN wp_term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id AND tt.taxonomy = 'portfolio-category' AND tt.term_id IN () WHERE p.post_date < '2013-05-26 06:50:49' AND p.post_type = 'portfolio' AND p.post_status = 'publish'AND tt.taxonomy = 'portfolio-category' ORDER BY p.post_date DESC LIMIT 1

WordPress database error: [You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') WHERE p.post_date > '2013-05-26 06:50:49' AND p.post_type = 'portfolio' AND p' at line 1]
SELECT p.ID FROM wp_posts AS p INNER JOIN wp_term_relationships AS tr ON p.ID = tr.object_id INNER JOIN wp_term_taxonomy tt ON tr.term_taxonomy_id = tt.term_taxonomy_id AND tt.taxonomy = 'portfolio-category' AND tt.term_id IN () WHERE p.post_date > '2013-05-26 06:50:49' AND p.post_type = 'portfolio' AND p.post_status = 'publish'AND tt.taxonomy = 'portfolio-category' ORDER BY p.post_date ASC LIMIT 1