UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mB16dFyI7HSVe7vFjhTbOeUipkJzXoxO1JDIi3mn0is=' 
WHERE 
  key_id = 'a68bde88507813af8af1fec789d8415d0036a90c2e5d6f639912bad47627d2b3' 
  AND (
    token = 'mB16dFyI7HSVe7vFjhTbOeUipkJzXoxO1JDIi3mn0is=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )