UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pL31Y+m0vSWgKoghSo9fULqaX0y7ZwNpsJgjrloSLLE=' 
WHERE 
  key_id = '6fe8ce61337387edc66865377f421dc8755cc7418d68c6969996597249e89512' 
  AND (
    token = 'pL31Y+m0vSWgKoghSo9fULqaX0y7ZwNpsJgjrloSLLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )