UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NZeOfV4gV2UOVscRn86vULLMegbvqG5BLoFsu3Z0TAw=' 
WHERE 
  key_id = '84736f4e461e79569df890acfb04080a4f866910cc42e47844678acebb0faa40' 
  AND (
    token = 'NZeOfV4gV2UOVscRn86vULLMegbvqG5BLoFsu3Z0TAw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )