UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rv9UEgfgn8g/rHPwN7MgMbJz3UbT5hvMZmYtCkxIVrI=' 
WHERE 
  key_id = '4a7d6ac114cc7c0c697194bf247529110b451b41c8fb2494aac47d659a0bd930' 
  AND (
    token = 'Rv9UEgfgn8g/rHPwN7MgMbJz3UbT5hvMZmYtCkxIVrI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )