UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zRMlb9aw9gvGC8uw1ao5mkOyaupuRvLg5RxbUKiYWXY=' 
WHERE 
  key_id = '57ed51754d27396a83fa81a91e2ff62680a8dc0ba6a9f1746551fbd8ca2c14a2' 
  AND (
    token = 'zRMlb9aw9gvGC8uw1ao5mkOyaupuRvLg5RxbUKiYWXY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )