UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U/vBNDbNb0UQiqEgEitnpxPUCgx3+kjZ8oScmVnQYgo=' 
WHERE 
  key_id = '8dc393c70b345e95190af765716541fa813e69b223c99cd9498475f10ba70872' 
  AND (
    token = 'U/vBNDbNb0UQiqEgEitnpxPUCgx3+kjZ8oScmVnQYgo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )