UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r4gM5PfuyKevh8se5jNLgSMYPl0Cl6OdklfYu1nqLko=' 
WHERE 
  key_id = '31be8db20e1d6c8d34ed7887f88728a7ddd2d1f42c41e94fb3b781cb45d23bb3' 
  AND (
    token = 'r4gM5PfuyKevh8se5jNLgSMYPl0Cl6OdklfYu1nqLko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )