UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mlThc8VDBqhioE/heqVSO4xqOzboQ0vdlbnCSt5jrJY=' 
WHERE 
  key_id = '4ff479eb688ee6bf416923a1a76cff051cabc951dcfdf061d67989445517a480' 
  AND (
    token = 'mlThc8VDBqhioE/heqVSO4xqOzboQ0vdlbnCSt5jrJY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )