UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Aktiy5tyJnCdLMW+f7/yG51BJbfDYHFjG4e+zUqOk54=' 
WHERE 
  key_id = '873c84df46582c66b467bf5734c5038669fb7d63868719d3d0dd59d8dde3f0a4' 
  AND (
    token = 'Aktiy5tyJnCdLMW+f7/yG51BJbfDYHFjG4e+zUqOk54=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )