UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5kMxDKFeB9Xt6Z/WVNv1ku/cklVtWCe3SGF1fpLIzRs=' 
WHERE 
  key_id = 'a6c2a1324ae7c036633ddcaa78ddf05506ecdad92356fd032d185b1f4b50c352' 
  AND (
    token = '5kMxDKFeB9Xt6Z/WVNv1ku/cklVtWCe3SGF1fpLIzRs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )