UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RMzkn8HC3WbwLyUxPUpBiunZSWTeYCoH64enU6TaF2A=' 
WHERE 
  key_id = '3a9ed38702f5a6e65ee10a5aca03fb284449f83419b6c2616211f98a16ac6847' 
  AND (
    token = 'RMzkn8HC3WbwLyUxPUpBiunZSWTeYCoH64enU6TaF2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )