UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uPAM5+Hyx3YBXjWCaNGXfbEkbEzjlIiiqoG8hTEpDzk=' 
WHERE 
  key_id = 'e6698c36e735600ccc10312d0542e4ac9dd8cb12a657e5d74bfdf404d76a1667' 
  AND (
    token = 'uPAM5+Hyx3YBXjWCaNGXfbEkbEzjlIiiqoG8hTEpDzk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )