UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MrHUNglHTxbAHBpO+5kCncm4EmHfBSMvlnFbq738mvs=' 
WHERE 
  key_id = '21a9513f768278ce06f9fdf385d539d9590ea218691d922f1e4bb4baf2e2ddae' 
  AND (
    token = 'MrHUNglHTxbAHBpO+5kCncm4EmHfBSMvlnFbq738mvs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )