UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MsIZRoqk+OFoE88L8MhVg+OURo4t88nZVzNURbX9qPU=' 
WHERE 
  key_id = '51e6843efe66f8cea477c202e9b2cf46ab60979a6a99ffd39a9ba5bb1a39eabf' 
  AND (
    token = 'MsIZRoqk+OFoE88L8MhVg+OURo4t88nZVzNURbX9qPU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )