UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'imD5txLQyVgbtYeA9DcNuIlwk9OVEqr/MguGUurKmTs=' 
WHERE 
  key_id = '51093f80115d5b4000f59f8e9c516e9d5c4e8c5785ee55e5f98278412eeb25fe' 
  AND (
    token = 'imD5txLQyVgbtYeA9DcNuIlwk9OVEqr/MguGUurKmTs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )