UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kqT2hwRWnoGQ7p/7Bjfh059kIGri222dO5pxGPuCd98=' 
WHERE 
  key_id = '956394351f0dee59c2dd791048955d727f02c98f1f44ffe521f41ff97b3e8528' 
  AND (
    token = 'kqT2hwRWnoGQ7p/7Bjfh059kIGri222dO5pxGPuCd98=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )