UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zxJKkCtKpaQyjD7W7iNPVX63NpQ05GqfNcdRl+7FkTM=' 
WHERE 
  key_id = '4c66c7f5412136c3966d49df0c78476e6e2b406b3067b83c6d8db298db09a641' 
  AND (
    token = 'zxJKkCtKpaQyjD7W7iNPVX63NpQ05GqfNcdRl+7FkTM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )