UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'fMkWG7e3CzXPoQyRxvrnNe5VoHQbtxacW3/f1k54HYo=' 
WHERE 
  key_id = '3ac81346dd7579a229cfebab6f200fef09b660f4751c996369f9050476952b41' 
  AND (
    token = 'fMkWG7e3CzXPoQyRxvrnNe5VoHQbtxacW3/f1k54HYo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )