UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Dkp29ljH0PmTvDsos8B85niCE/VOjeMfKYsUuYpQexw=' 
WHERE 
  key_id = 'da4673580c8bfa463c667dc000fc9214100152c3dc27176671da27011d35a06a' 
  AND (
    token = 'Dkp29ljH0PmTvDsos8B85niCE/VOjeMfKYsUuYpQexw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )