UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EqE0Z7JCxJmZoXpm7g1KxK4hhVtX9wqWIW2atrXeqCY=' 
WHERE 
  key_id = 'a6d698110b4dae8ab460ffe6270626fd408b4341c83444a93a0b031b9f3e0700' 
  AND (
    token = 'EqE0Z7JCxJmZoXpm7g1KxK4hhVtX9wqWIW2atrXeqCY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )