UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kD1rkPJF484KQ68+erQHnx+Xu+6I8OjMlsA1Lk4AXtM=' 
WHERE 
  key_id = '7b8cbd93260bd2a313bfe3b74623e77eb2e88016862970a56846db256003692d' 
  AND (
    token = 'kD1rkPJF484KQ68+erQHnx+Xu+6I8OjMlsA1Lk4AXtM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )