UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nUZlpdn8s75GRua9VwTNZIB3Siio9sW7OonsdOgsPiQ=' 
WHERE 
  key_id = '503c318ca8e039decf4fd589d2a25d99f0896c432b96e600c799446de121c180' 
  AND (
    token = 'nUZlpdn8s75GRua9VwTNZIB3Siio9sW7OonsdOgsPiQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )