UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gA0EU6UtUaT3Nn50IORt4qSJORVZE6S5iYI8bjW6vSk=' 
WHERE 
  key_id = '784c396321791ac104a570b8e13b7e385d97595f26a3faa07f7a2fae935fa37a' 
  AND (
    token = 'gA0EU6UtUaT3Nn50IORt4qSJORVZE6S5iYI8bjW6vSk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )