UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R8pugOuefWyu1RQSaiwu3Phc82CLjSGhdvssPbSbayU=' 
WHERE 
  key_id = '8a2ce99f6c14024b6d957fe931587e5f8dd480dff63137b07b48f280ac6cae3c' 
  AND (
    token = 'R8pugOuefWyu1RQSaiwu3Phc82CLjSGhdvssPbSbayU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )