UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'szQl7z/EWceOu5y373COk7TonN80zQhMeqFLhqxUIas=' 
WHERE 
  key_id = '8a6497a8a1db4833b69cbd55a6d409d13d94a006f32e9fe74b010e36bd985123' 
  AND (
    token = 'szQl7z/EWceOu5y373COk7TonN80zQhMeqFLhqxUIas=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )