UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mJBF7EK1+wlYhzZMSs0JHpZCXJyNyyAbjkGFxWDVPDE=' 
WHERE 
  key_id = '2f6a883932e3f59a278c465326fb47ec1a5fd73a064feb929163d738723d70ad' 
  AND (
    token = 'mJBF7EK1+wlYhzZMSs0JHpZCXJyNyyAbjkGFxWDVPDE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )