UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ar3M6pUvdvJ1nY27ZaZb+ZAg+d3av2FSbDEWSvHISD0=' 
WHERE 
  key_id = '71338ac573fe22d83b141dd3ceafbde812b652bb88b03e7f747b67e26581a9ed' 
  AND (
    token = 'ar3M6pUvdvJ1nY27ZaZb+ZAg+d3av2FSbDEWSvHISD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )