UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/cdMtnbjs2IWIac4X+xQlU2N6jDKLtIRVGQcMYTjlAQ=' 
WHERE 
  key_id = '50cff8dee9c9492e2a9741d7c937c23d1b53b4a215c1bd22076d60170131b673' 
  AND (
    token = '/cdMtnbjs2IWIac4X+xQlU2N6jDKLtIRVGQcMYTjlAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )