UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'bgfW8c2aEKCTOovpsWimeJ+E6MRveR43Gjljv0re3jo=' 
WHERE 
  key_id = '50e736a2312f02819978814d9d28cf618716a1b7e85a2e3cb00af7a1ee6d4c55' 
  AND (
    token = 'bgfW8c2aEKCTOovpsWimeJ+E6MRveR43Gjljv0re3jo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )