UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O81xzEPzJIsioab/Fqthg1UcsjyiAweCNuLyhajBBR0=' 
WHERE 
  key_id = 'db2503e4bef12ac459ddc63f6c8fc46bc572f291dae527d990b90bbbc893cf51' 
  AND (
    token = 'O81xzEPzJIsioab/Fqthg1UcsjyiAweCNuLyhajBBR0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )