UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eZXYXR6Rk+nLMZ505XQr9ayWsUxI3YBXx2l1NekVef4=' 
WHERE 
  key_id = '81b44b5ccdb104abdd9a3eb4718c4d37a64837f0e0468b635f8ec613d62abd80' 
  AND (
    token = 'eZXYXR6Rk+nLMZ505XQr9ayWsUxI3YBXx2l1NekVef4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )