UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8PuZalXngxVtxf5drWx6rAc3iIdFiHQjPa1lmhJZL4w=' 
WHERE 
  key_id = '81f297945acafb89c28cdff4fd6059298fda3f96c8790ba93c995cd3ccbbb9b7' 
  AND (
    token = '8PuZalXngxVtxf5drWx6rAc3iIdFiHQjPa1lmhJZL4w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )