UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'JBgB6iu/qsrk8AltRIKMblrieYoId21te7XNVKZBiOo=' 
WHERE 
  key_id = '42636116ac6f7e8e095c7423810b6196140046fae01eb308a3d1da455467a401' 
  AND (
    token = 'JBgB6iu/qsrk8AltRIKMblrieYoId21te7XNVKZBiOo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )