UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RnFnRdfMJN+NnjlRM7QG5rHzCn0StFKynme0ekHlhKs=' 
WHERE 
  key_id = '9c0027beeb6dfdb52601d8294a01c12129815c92c3f2755adc635422a67932e4' 
  AND (
    token = 'RnFnRdfMJN+NnjlRM7QG5rHzCn0StFKynme0ekHlhKs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )