UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AcjJ2Ziev/2DhJhe1OQIABCciiT7WHiQ7HyZkhS+DR0=' 
WHERE 
  key_id = 'bcdfaf78e1e17e945d8ae668d8527ed47cfba6d00f1895e02da55ddf3dc35007' 
  AND (
    token = 'AcjJ2Ziev/2DhJhe1OQIABCciiT7WHiQ7HyZkhS+DR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )