UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '0k4KmJWs/QlZHUI73ImNcXOC48iTwEwzuvM7rJU99WQ=' 
WHERE 
  key_id = 'a5e1cd55958743115fcc906c13069053bea8fb4f39744b5d7860111c0897987a' 
  AND (
    token = '0k4KmJWs/QlZHUI73ImNcXOC48iTwEwzuvM7rJU99WQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )