UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vleXx0BgXlcHkwOyUgKFqLr6RRvekXdu8L9icULVVos=' 
WHERE 
  key_id = '6e43fa8a81822fe5227aa6be3839274d91cdc9c376d652ff7dad04574659b03c' 
  AND (
    token = 'vleXx0BgXlcHkwOyUgKFqLr6RRvekXdu8L9icULVVos=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )