UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JnFz+bJhvTGJ5CtOKmyx5G/UfPZDTXr250DLvXsKENo=' 
WHERE 
  key_id = 'c9be814b67d7d79af9237b1be8fac76111f7a61085b741cf2261250e5327def4' 
  AND (
    token = 'JnFz+bJhvTGJ5CtOKmyx5G/UfPZDTXr250DLvXsKENo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )