UPDATE listings SET visits = '1' WHERE

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 '' at line 1

UPDATE listings SET detailed_stats = 'a:1:{s:6:\"visits\";a:1:{s:10:\"2012-05-21\";i:1;}}' WHERE

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 '' at line 1