UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PjlQiHIbQRVw9MLuRldlOjGyJHgfWnwstBi2uiFCx5k=' 
WHERE 
  key_id = '76b8d3ddbaba32a4e157c021389ffd346c39dbaff09892018fd92e38be5a1da8' 
  AND (
    token = 'PjlQiHIbQRVw9MLuRldlOjGyJHgfWnwstBi2uiFCx5k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )