UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sik7bgLwpsQqmL9NTa6uUcfeYFzWxTY3sRLnnfmRiGc=' 
WHERE 
  key_id = '4caec1716ed765a8253dc55d0d6a7f32c13f173b21aa176bd4741ad98133491b' 
  AND (
    token = 'Sik7bgLwpsQqmL9NTa6uUcfeYFzWxTY3sRLnnfmRiGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )