UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O+I1/Ddl53vq1qtHdkT/v4CeF/0mqtBO1s8hEn4PvDc=' 
WHERE 
  key_id = 'a3527bb52dc21a20f7e2a1b6f049815af23d52a33f6a0c3c2a70afad1084457b' 
  AND (
    token = 'O+I1/Ddl53vq1qtHdkT/v4CeF/0mqtBO1s8hEn4PvDc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )