UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jVtUfX6OFJr8bA7hu5afMwt8rLtPkPzKHOKOoiEZbMc=' 
WHERE 
  key_id = '6f2c9445fe578d96f55de643daf7228b64ca2053282659aeb2e531437372247d' 
  AND (
    token = 'jVtUfX6OFJr8bA7hu5afMwt8rLtPkPzKHOKOoiEZbMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )