UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Fog1Mf9cFLN7xpGx6E43SkJT8kfz3/Lnir86TCFicGs=' 
WHERE 
  key_id = '2576ee8453097fd9fa771e43cfaf3fccc630108c85f30fb6721c87cba8b81fea' 
  AND (
    token = 'Fog1Mf9cFLN7xpGx6E43SkJT8kfz3/Lnir86TCFicGs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )