UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mq/NeHrr9po0aVapkbzId1dIZudfaOBHxjuV2jhfs8o=' 
WHERE 
  key_id = '1d11e6f3b0004a947c7cfdf1ddaaa55cbabc4c17ac6a9cb03dffb2d976f3263f' 
  AND (
    token = 'Mq/NeHrr9po0aVapkbzId1dIZudfaOBHxjuV2jhfs8o=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )