UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7WAzTABHP3kL2TJsD+CBkkiHiB6B0IVy1bkx60G3UFY=' 
WHERE 
  key_id = '3ac38600482097c6a7928afb4bcebf134e1ca474169e51a37e781210768d6085' 
  AND (
    token = '7WAzTABHP3kL2TJsD+CBkkiHiB6B0IVy1bkx60G3UFY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )