UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xVVhukiebIfB9hb5EAp/1iJ+nf0ZdCoRdhhokkn/QXk=' 
WHERE 
  key_id = '6341db6cf6074f10716554bd0f6f25f7b1133a85c927c668f3fbc6cca02a9952' 
  AND (
    token = 'xVVhukiebIfB9hb5EAp/1iJ+nf0ZdCoRdhhokkn/QXk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )