UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zG7HQerxRJZ/g0cUZ4mclM0wYcx8NPHsi3Z2P+PHY2c=' 
WHERE 
  key_id = '15ff9c9e6745177c74f4d3f698ac09b5af87057bb77c3c3e4e8d4e17ebebacc2' 
  AND (
    token = 'zG7HQerxRJZ/g0cUZ4mclM0wYcx8NPHsi3Z2P+PHY2c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )