UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Xh6Hrx2sq+iqmtgGAS6pNiU+G6HfRyH80at/GyBfxss=' 
WHERE 
  key_id = 'd6c38da4f364043b1ba26e9e068de8faf29b14c8cdccbc289555630583369341' 
  AND (
    token = 'Xh6Hrx2sq+iqmtgGAS6pNiU+G6HfRyH80at/GyBfxss=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )