UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SbG2unlG+h0wwrwqfYNw1kQpxQxlCHTmL41uZJYiwCs=' 
WHERE 
  key_id = '4f66d0b8ac7f648bed4897f9e8e55f93e2bfb7fff7a919915eb4e576b30013df' 
  AND (
    token = 'SbG2unlG+h0wwrwqfYNw1kQpxQxlCHTmL41uZJYiwCs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )