UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yDHiNW58RcP2AQvPhZ74R1/KVLAmD7X5nLIjKh8/yuw=' 
WHERE 
  key_id = '1b83e84dbe7880899eb276bacbe40c769f138399b3051235af45522dd96f3fa7' 
  AND (
    token = 'yDHiNW58RcP2AQvPhZ74R1/KVLAmD7X5nLIjKh8/yuw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )