UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7CHlE4KFuIZIwDBkBkh+jWvXEKyjF7il/3n0n7Kg2pA=' 
WHERE 
  key_id = '15e3dd9356e0bd73266c734f6439f51c44145b108553616a929c63d578200a5e' 
  AND (
    token = '7CHlE4KFuIZIwDBkBkh+jWvXEKyjF7il/3n0n7Kg2pA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )