UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mr5xTeS2NXeNhA9CPO9mLXH6hjaPlxzgT8swMmrK8cw=' 
WHERE 
  key_id = '16eaa9dd2384c1dcef66748a78b716aa7baf00640e11720a71eac051c3aa1ede' 
  AND (
    token = 'mr5xTeS2NXeNhA9CPO9mLXH6hjaPlxzgT8swMmrK8cw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )