UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lLtrNi9UzJo9e8eC8C4sX2Z7UkRrHcfhH5xYsAqX3jo=' 
WHERE 
  key_id = '4d68c6cefe481112d026d2f2d487d39414955bcc7869868c7207f4b3999e12be' 
  AND (
    token = 'lLtrNi9UzJo9e8eC8C4sX2Z7UkRrHcfhH5xYsAqX3jo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )