UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6dXuCB7O8jYgUfdv45qawkcIvaF4PWRe9WfmrnmTMCY=' 
WHERE 
  key_id = '47d9a3813171db38f81ecb16e472a2c072a7ead134f683d8a9d7b32bf7c38588' 
  AND (
    token = '6dXuCB7O8jYgUfdv45qawkcIvaF4PWRe9WfmrnmTMCY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )