UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uGnHp65unl7dMBgVV1aNkTD3ICcHPpfVmGIyAPeEyAM=' 
WHERE 
  key_id = 'c796ab71e9fa908fac8484ef522dac5a15f16473a0d445160c63a78f18229844' 
  AND (
    token = 'uGnHp65unl7dMBgVV1aNkTD3ICcHPpfVmGIyAPeEyAM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )