UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eP+rzaYR4TZQX25wm1kjg2Tihfifx9vdmyD0gtGoEeA=' 
WHERE 
  key_id = '1814dbca404bd4b922e49c07334e743b51cae1efdbd950b266085a9605e9a008' 
  AND (
    token = 'eP+rzaYR4TZQX25wm1kjg2Tihfifx9vdmyD0gtGoEeA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )