UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PWnQz+fDnWf3YhfOmUa4fhF1Zt7yGtMco6YzWiAh/Dc=' 
WHERE 
  key_id = '738e6511c16ddd768d9514dbb3b7eb083c56f2542da418cd4b75fae5045aef67' 
  AND (
    token = 'PWnQz+fDnWf3YhfOmUa4fhF1Zt7yGtMco6YzWiAh/Dc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )