UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'McRSgAzL0JT4a8hfjBQO+cyv59d6Fxn89fN+fmpLyGo=' 
WHERE 
  key_id = '5a204fc18a30a2f8b48937c3811d46fee7a947bef6656401afd4c015750a56f1' 
  AND (
    token = 'McRSgAzL0JT4a8hfjBQO+cyv59d6Fxn89fN+fmpLyGo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )