UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iUxvev+4SMegLjMhs/CMCfLY9rZSoY2X0PxoeJxKmfc=' 
WHERE 
  key_id = 'a6a94b1876c227d62b19ecb824a258651da5fda6f792e5b899aca89bc352bd04' 
  AND (
    token = 'iUxvev+4SMegLjMhs/CMCfLY9rZSoY2X0PxoeJxKmfc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )