UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'FuuRkU7O8yXn0S30NDKopKlDl05RHxzuf8YwCtm1C5Y=' 
WHERE 
  key_id = '83da0d369622c51d35b1a7e8fbf207b9af6c533362d66e6e5da739266345bda9' 
  AND (
    token = 'FuuRkU7O8yXn0S30NDKopKlDl05RHxzuf8YwCtm1C5Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )