UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '81YlVz09CiE7H+a6kvbG2H0eePD6lza8ZpLSEBJi9Oo=' 
WHERE 
  key_id = '3536ff5e5ed7722d07ceaed5fe1a1398e8a36a09b03812ab2fb49514b9878189' 
  AND (
    token = '81YlVz09CiE7H+a6kvbG2H0eePD6lza8ZpLSEBJi9Oo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )