UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '9ohii4WnNpNunjqlBnWtqKc84QTX2ezhZ9P9LkDEZLc=' 
WHERE 
  key_id = '51aad4319dbed02a368ddc1cff0347f034c4dd51ffc8817413a27758baeb65ed' 
  AND (
    token = '9ohii4WnNpNunjqlBnWtqKc84QTX2ezhZ9P9LkDEZLc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )