UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n64I4kL+rUqttdrDlKELg1kfCrMb9x5h5LAw/yDvTVE=' 
WHERE 
  key_id = '294e9d17ac73ba6baa0ade011b132d6a9c9fc89bb3b0920e9b108c1638a28554' 
  AND (
    token = 'n64I4kL+rUqttdrDlKELg1kfCrMb9x5h5LAw/yDvTVE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )