UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jtEhalCHIdtNJHzmxuQ2tz+mXn6ayNlsjZYvqyI8X0k=' 
WHERE 
  key_id = '818fdaa09f4a170f622f7e429a25ab6a72854b3ed847f0edae325155866e2f20' 
  AND (
    token = 'jtEhalCHIdtNJHzmxuQ2tz+mXn6ayNlsjZYvqyI8X0k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )