UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uBo6D45roMV/xqax/xkqfir1+7z3aNxUpW3aza6SkvU=' 
WHERE 
  key_id = '8dc76c761d8573db91c0f0f4a508e317656b49715daaa445313a83466fb58768' 
  AND (
    token = 'uBo6D45roMV/xqax/xkqfir1+7z3aNxUpW3aza6SkvU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )