UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AR8BSYHPVJt/cZtA4VMC2mDrl56wWcAYUI4F429CK+Y=' 
WHERE 
  key_id = 'e795f882553bad496c010d3881b2b7fa32928e41cf66ad42281e66594203a429' 
  AND (
    token = 'AR8BSYHPVJt/cZtA4VMC2mDrl56wWcAYUI4F429CK+Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )