UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M8w2ufaqlzErN/rLwcICsU9+XGtK8ETW0WAvfovPrYI=' 
WHERE 
  key_id = '19b69d2c5844312410e8cd93c2c234f54821e36c7739f48c978fdbe45d77d898' 
  AND (
    token = 'M8w2ufaqlzErN/rLwcICsU9+XGtK8ETW0WAvfovPrYI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )