UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CF6GLY/oJsQdmIl1FS3O/GG4srW4gSJzMaDnKvEePmE=' 
WHERE 
  key_id = '138ef9ff293c62e5de82e4de5f70db4dda3fda2e0004b41939c629a2d61c7be5' 
  AND (
    token = 'CF6GLY/oJsQdmIl1FS3O/GG4srW4gSJzMaDnKvEePmE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )