UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+F+0vKmFzeidsV/6QA34sOkJO1ovgWEFq1L5XGgVcfU=' 
WHERE 
  key_id = '6ab27868cf31aefb73d46b4d39c0c57695ddd2d67b290e2a18504d833daf0793' 
  AND (
    token = '+F+0vKmFzeidsV/6QA34sOkJO1ovgWEFq1L5XGgVcfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )