UPDATE 
  tmall_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'njA5gn7YRT/s+aeqzN7W1A4KDPB+IaJDu3OQkjEDjcc=' 
WHERE 
  key_id = 'ebdba44f60a2789be4521f68795ff71e21386831641b520735bba441568f922b' 
  AND (
    token = 'njA5gn7YRT/s+aeqzN7W1A4KDPB+IaJDu3OQkjEDjcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )