UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zvepHwFlBrXCAn7VE4jLIqiHzm+RK1h0zChx+izy/rU=' 
WHERE 
  key_id = '505698e9caa60d27a829bd4a317c7019827576c776fc038870f8769fbb6c978c' 
  AND (
    token = 'zvepHwFlBrXCAn7VE4jLIqiHzm+RK1h0zChx+izy/rU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )