UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kzZ/9hBgR1+/WqHa2nGs3oSuAzmc5MtVJ3tRvcphCyg=' 
WHERE 
  key_id = '76aeea2f1a846c3bac24e7ef12f8ae66010d607d51a16f0ebaa916a738627515' 
  AND (
    token = 'kzZ/9hBgR1+/WqHa2nGs3oSuAzmc5MtVJ3tRvcphCyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )