UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GjCNCWCSLFlxqEwkEn5RHskEWFVaQRxSzevJi7UBfxI=' 
WHERE 
  key_id = '4039d6bcce7926dd3f95e80a3a7f62b171fcf4cc3d30473a4350746795e2260b' 
  AND (
    token = 'GjCNCWCSLFlxqEwkEn5RHskEWFVaQRxSzevJi7UBfxI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )