UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xmWBEpxuGKYfnTDKvG0iHkwV+FIykezYblr1aKqFUf8=' 
WHERE 
  key_id = '39279e1b5598a91fab88361b86df85b812ca351a2923ba86dac85a9d392af9bb' 
  AND (
    token = 'xmWBEpxuGKYfnTDKvG0iHkwV+FIykezYblr1aKqFUf8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )