UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gxytmKqr5lAuoo/ES9MieEL5ebj+WZzeB59CUCOnOSc=' 
WHERE 
  key_id = '6cddd9e106e4646a53a822a37664cfd22ebedc498272a40b1d535f50af15a590' 
  AND (
    token = 'gxytmKqr5lAuoo/ES9MieEL5ebj+WZzeB59CUCOnOSc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )