UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'of8Ptkq1Vg1Yttc7W+ZbPvkqqiHSSfbpXg0iT/xLaFQ=' 
WHERE 
  key_id = '250d9abf57b6227974cea33cabe7758695e1e5fe4e707e4da631554b6293b955' 
  AND (
    token = 'of8Ptkq1Vg1Yttc7W+ZbPvkqqiHSSfbpXg0iT/xLaFQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )