UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RLixr5xjHz7zXQyE0td5VwkBCYFVx5uYuEvSOCUaCoY=' 
WHERE 
  key_id = 'bf1547e3ffa178d35e058d1aef07733b36c484b1a7438f8ec451acd3cbd37152' 
  AND (
    token = 'RLixr5xjHz7zXQyE0td5VwkBCYFVx5uYuEvSOCUaCoY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )