UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mDmTf+MMin8bPf6YhAVNFihVNYS+Qdog7AG1H7/qp7k=' 
WHERE 
  key_id = '6d8e88c638217737efcf1b396ef5e76617824c3a739d53f12f1a8a147bb78e66' 
  AND (
    token = 'mDmTf+MMin8bPf6YhAVNFihVNYS+Qdog7AG1H7/qp7k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )