UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4faScQ1VQEQRlLse+pbhKpAvAZbVg3WlecraUg1DrhY=' 
WHERE 
  key_id = '2795848f7b618fe3de428deac4df686c45b9633b6ac3c780d3cdadcce6d589b2' 
  AND (
    token = '4faScQ1VQEQRlLse+pbhKpAvAZbVg3WlecraUg1DrhY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )