UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'test2nZ2BMN4qkqgcPTx5T3EJwZOqE4+ldyzdtEntvA=' 
WHERE 
  key_id = 'c961ebfe9ade45be53730e91d3204d2d2cc5857e9c628cb2a95b1e880a5a3cd9' 
  AND (
    token = 'test2nZ2BMN4qkqgcPTx5T3EJwZOqE4+ldyzdtEntvA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )