UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MHgM3/EDcVEJhdJy7CZq0RmsDp+vAaflIYgcj8jcCXY=' 
WHERE 
  key_id = 'd45f65449460964bd01d95eb3cd13802a5fb404b2e22a09f4d1cf28c129d2807' 
  AND (
    token = 'MHgM3/EDcVEJhdJy7CZq0RmsDp+vAaflIYgcj8jcCXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )