UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3uG8Qx/JzDDUHiYa86TlShTB9kfQHF8u+D4fQsKnklQ=' 
WHERE 
  key_id = 'bbf4ef5879e816a30eb59b42318ccd45b2ee7a8d231ba99f5f63f4f7ba535158' 
  AND (
    token = '3uG8Qx/JzDDUHiYa86TlShTB9kfQHF8u+D4fQsKnklQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )