UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mcfwam44HkwkNkGzXsP34O2+m7DO+53ZI8iPmZ6R2Z8=' 
WHERE 
  key_id = '50b1e05569a3e82a772370d3aee76e04553c0256f9ab4b5f698c74d97fe7b923' 
  AND (
    token = 'Mcfwam44HkwkNkGzXsP34O2+m7DO+53ZI8iPmZ6R2Z8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )