UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ZWx4/9GBlz+0hU0xJBc/X7Q5pcx3XfEDawr2OcNAAVQ=' 
WHERE 
  key_id = '6a8e54614460015d0fee5b20bfe87512121aa814f84b360a4347f577566ec2f3' 
  AND (
    token = 'ZWx4/9GBlz+0hU0xJBc/X7Q5pcx3XfEDawr2OcNAAVQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )