UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tTq95tX+7bVYAB6TYwU7oLTDB+K/DdT3zWxm9FC9gcM=' 
WHERE 
  key_id = '76bc7d08bc188d4e55f52b95a77b77771659d4a3053717d23d953de4e8ad3b28' 
  AND (
    token = 'tTq95tX+7bVYAB6TYwU7oLTDB+K/DdT3zWxm9FC9gcM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )