UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P0JmNKPrAIiEJdqHRDbGPgo6sGxAjv457iGzcUtVdFk=' 
WHERE 
  key_id = 'b0ce02228733473b5c8806194725fd816984c5521af5f6aa6385993eed8e51f0' 
  AND (
    token = 'P0JmNKPrAIiEJdqHRDbGPgo6sGxAjv457iGzcUtVdFk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )