UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'he3KnygSPwVDHQ8t3n0rcTWgIA0IlFbZDxxtsYEtDk8=' 
WHERE 
  key_id = '724f0ced43e513d20d1de020fb9455d22e17ec9aac9facab55f16947238f8220' 
  AND (
    token = 'he3KnygSPwVDHQ8t3n0rcTWgIA0IlFbZDxxtsYEtDk8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )