UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '16O2Bn8GYpSbTc3DTEcajOLR9GMF6Yg6O+ry90jwXVY=' 
WHERE 
  key_id = '91cb3d77d2f77c6157a135ded5e4b4eb46bd4a34256224b706a7a5b73c329da9' 
  AND (
    token = '16O2Bn8GYpSbTc3DTEcajOLR9GMF6Yg6O+ry90jwXVY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )