UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Vlp/vTbFqyEHzE1q5d9bVzx4mPXEOLViJbilHxvC+WM=' 
WHERE 
  key_id = 'c6dcff9b8bc83688d4240290241504fd890c0939c3c94b7aa65e1a046e668a90' 
  AND (
    token = 'Vlp/vTbFqyEHzE1q5d9bVzx4mPXEOLViJbilHxvC+WM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )