UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f6oxY2pZcKlKVj1rSHvdseBxsRaykkh6hLCcR6jZaA0=' 
WHERE 
  key_id = '9492814d75fe70da06734fe491dc173c5243fbde3144512e61ab6bd199eee2ec' 
  AND (
    token = 'f6oxY2pZcKlKVj1rSHvdseBxsRaykkh6hLCcR6jZaA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )