UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '55mUJhjfjDnRD3LU1KgMNkCu3xihqaJAvQSI/Ke+IBc=' 
WHERE 
  key_id = '767ca40304d90a99e0562e506577dcf968735abbf3e5681579417cafcb704772' 
  AND (
    token = '55mUJhjfjDnRD3LU1KgMNkCu3xihqaJAvQSI/Ke+IBc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )