UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PtrSlqAOs2oCE9iiljjAYerbitBbS5E9q98Pebotbwg=' 
WHERE 
  key_id = 'a76d50dfefc619e104a90f5ae80762c5fe0e16bdb186f916638968e48b62539b' 
  AND (
    token = 'PtrSlqAOs2oCE9iiljjAYerbitBbS5E9q98Pebotbwg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )