UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CNDzSdN23Ceenz94VjHsqEkg8QHpBBt/Gb1NfknNszY=' 
WHERE 
  key_id = '98be81b2a46ce35b293ff12be6d42a93c6c577837aa9beb8ad7b58bf7978cae1' 
  AND (
    token = 'CNDzSdN23Ceenz94VjHsqEkg8QHpBBt/Gb1NfknNszY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )