UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't/fXq1px9AquhAX+u3RLF0HiT9ANh13UF8NhzsvkRyM=' 
WHERE 
  key_id = 'f296ed2d7416271dde61959c46174606b0c0bfa77ee091fab8cbaa183953207f' 
  AND (
    token = 't/fXq1px9AquhAX+u3RLF0HiT9ANh13UF8NhzsvkRyM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )