UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EL8OQMaA7yEyf1VlCVhEW7GDs8XiqAHyseYI3AaK8cs=' 
WHERE 
  key_id = '4d3f7c17c2141f40f266697355c3a6d48586bdbc4256232ecaaed9f019a6ad2e' 
  AND (
    token = 'EL8OQMaA7yEyf1VlCVhEW7GDs8XiqAHyseYI3AaK8cs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )