UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'IKJh4ndkUmbXCTOIV2iCXM/PRZhSKYOfiF/boYEvgzs=' 
WHERE 
  key_id = '5ade9a81fc8d8a07e5dbea1c1a6ae80c35023fa0d557c4b349d00a054cec5fa8' 
  AND (
    token = 'IKJh4ndkUmbXCTOIV2iCXM/PRZhSKYOfiF/boYEvgzs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00042