UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xo/akXDMQaTI/pVhp9vpzFWGIu9Ahkxwg7P01C6Apac=' 
WHERE 
  key_id = '476e2e532e99e747e517ff4fc15fd0e3a3185958805a92f8f0a6c90153d1a272' 
  AND (
    token = 'xo/akXDMQaTI/pVhp9vpzFWGIu9Ahkxwg7P01C6Apac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )