UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Nua2s1pBK7BgUsg5X0EazSDcAeExhG7kN8YLWgc3/Cc=' 
WHERE 
  key_id = '46bea2cd96e538b665c8857af8b7d1eefe26af3971e243ac25ce73c9523b2811' 
  AND (
    token = 'Nua2s1pBK7BgUsg5X0EazSDcAeExhG7kN8YLWgc3/Cc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )