UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RCfqmMqepIzdx6raLjoAqhgovN18U2XCNqpLhPVTkNM=' 
WHERE 
  key_id = '6361a6652000cdcd6479a3797efd42fbd556ed6cf2d5659bf14f78b35650d811' 
  AND (
    token = 'RCfqmMqepIzdx6raLjoAqhgovN18U2XCNqpLhPVTkNM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )