UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'EHs9L36TYdOnI4A/WZU4mjNWj/vPhhviLPALQSdgy4Q=' 
WHERE 
  key_id = '30597666dd28272475cf1171e073f231ae460088eca3cb98d7343c5450911e37' 
  AND (
    token = 'EHs9L36TYdOnI4A/WZU4mjNWj/vPhhviLPALQSdgy4Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )