UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kir/vgAcRQ5uD7XJY8PWqyl7pT0blJubfXVDVLekuAQ=' 
WHERE 
  key_id = '9b96edda53e2d09fbb761c6b79968a37c1f060dff54b35e5093709d070cae856' 
  AND (
    token = 'kir/vgAcRQ5uD7XJY8PWqyl7pT0blJubfXVDVLekuAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )