UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'peEZbwLmIDF3c6N1xQfvbEHGP/FANIZJLheLJcsWNbE=' 
WHERE 
  key_id = '8a76a0679cb46586fdbc457649b2c8c2641089ab24964748a344e812e507d855' 
  AND (
    token = 'peEZbwLmIDF3c6N1xQfvbEHGP/FANIZJLheLJcsWNbE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )