UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'dM+mjK9at3P5kwuX+bWiwJtEu+yQymGPCfWrtiXundk=' 
WHERE 
  key_id = '2ae6c4607c8176afd4f4a8884d1cda1fccf4a5057cc8c53904afff08848fbe1c' 
  AND (
    token = 'dM+mjK9at3P5kwuX+bWiwJtEu+yQymGPCfWrtiXundk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )