UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6C0atsh+pD2RctdNFtZNT7o3znyLo0+bKPEBwn+5Xo4=' 
WHERE 
  key_id = '893b6d665967105f7e189b5fc91d16d78b983126b861dd257f14d68aedcbfc3f' 
  AND (
    token = '6C0atsh+pD2RctdNFtZNT7o3znyLo0+bKPEBwn+5Xo4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )