UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '839emRVFijPfF35QuZFUFuQCqRYUOryyuPf07pmD/Gs=' 
WHERE 
  key_id = '11f39ab98ad092ced730b525251bd2b98aff2d9a3c46ae9f1442693100d8e1ab' 
  AND (
    token = '839emRVFijPfF35QuZFUFuQCqRYUOryyuPf07pmD/Gs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )