UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n77ObSyRDt0N0U8kZcGFpc02Pxczxs8tv21aUSEGhrs=' 
WHERE 
  key_id = '995b166a51a6a397931a19e233eee2d34e83d2f8f13a37475d303d7c912eaaa2' 
  AND (
    token = 'n77ObSyRDt0N0U8kZcGFpc02Pxczxs8tv21aUSEGhrs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )