UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ahFollZSdliQbiEkS/uXwfUcgg3qTPtzeeWPP/XlNJI=' 
WHERE 
  key_id = 'a54d3448e36542a6beb78acd233932013053359ec44d21035a8284ff951dd2b5' 
  AND (
    token = 'ahFollZSdliQbiEkS/uXwfUcgg3qTPtzeeWPP/XlNJI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )