UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tUTVFu32fmNp/8AHFfB7fe9dTBLMM6LLXRcKRbcfWik=' 
WHERE 
  key_id = '4596c4e18e64da42ecb42150866b98827293bb954de0362bd3b8082ec485e20d' 
  AND (
    token = 'tUTVFu32fmNp/8AHFfB7fe9dTBLMM6LLXRcKRbcfWik=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )