UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a0uKTA8EOm/YXSrxS/g/YtgTaf7X+J7xo+bqoAZnuOg=' 
WHERE 
  key_id = '81f297f5b523e1cae7aaab32d833bc8e6032d0b3fb11b8e4aca41578e9b8e76d' 
  AND (
    token = 'a0uKTA8EOm/YXSrxS/g/YtgTaf7X+J7xo+bqoAZnuOg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )