UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZRfhAL5lWbabY3cxmd3sD1iLvqP6EUptynXvpkttNKM=' 
WHERE 
  key_id = '16d2837b44e859ba2ee15f6d2a95a27bb70d54d68c885b9fe1ce3c2f6fd46e98' 
  AND (
    token = 'ZRfhAL5lWbabY3cxmd3sD1iLvqP6EUptynXvpkttNKM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )