UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mCLdZc6Gv2fOTxRzMdLuRtTuvlKFtBS9WG6W11rkW+Y=' 
WHERE 
  key_id = 'c4f64df20c4373f9ec7102a1caab4dc6f39af96981fadb6c08f8004c61456636' 
  AND (
    token = 'mCLdZc6Gv2fOTxRzMdLuRtTuvlKFtBS9WG6W11rkW+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )