UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vKz3Z5RSusiupR+61NloZ81aaqvO0jxuS9lZYcUQKwo=' 
WHERE 
  key_id = 'ffc0011a61a4cf56f7da879591a1d4eae4cf30212d55f7826b79569748e1e2cd' 
  AND (
    token = 'vKz3Z5RSusiupR+61NloZ81aaqvO0jxuS9lZYcUQKwo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )