UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6DkGKACuUdrQ9ywDsm/+k2rfou17VGJlGHbp134arnM=' 
WHERE 
  key_id = '8f721dfa53c42ca4cb188913fd3208168812f9204f753014eb2538cbd1bfe03c' 
  AND (
    token = '6DkGKACuUdrQ9ywDsm/+k2rfou17VGJlGHbp134arnM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )