UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LmKA6JC+IMaS6sxSoOsk7nouO6RbYqycWzFiN4DklX0=' 
WHERE 
  key_id = 'cac8ac712b39b52b426e8305fccd1f4bb1f68c38f869a993d4957118060e2305' 
  AND (
    token = 'LmKA6JC+IMaS6sxSoOsk7nouO6RbYqycWzFiN4DklX0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )