UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3MYh9cOJRnnCD3f/ah3UNCF0Mw90yPI+j1A+0XxHY50=' 
WHERE 
  key_id = 'e34a82de72b994c38852dd3035694ac766faee4d5eefd79b37162e57ed2dfc40' 
  AND (
    token = '3MYh9cOJRnnCD3f/ah3UNCF0Mw90yPI+j1A+0XxHY50=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00022