UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '//u6i9ukIVhxYwpz81kRwE0KMo2uZMCecoVvUueH6ZM=' 
WHERE 
  key_id = '247a48967caa06602bc0a3b5491dfd8788217b7d2776f6f38d77987508e03ece' 
  AND (
    token = '//u6i9ukIVhxYwpz81kRwE0KMo2uZMCecoVvUueH6ZM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )