UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ujsCB6KjOYObPr8zJ2e3OBBx1u40DRdd6YHsnktTVO0=' 
WHERE 
  key_id = '4821dad6f67f10819697d35694bc766717ea456c502f9f9a66b2eac4d3f68362' 
  AND (
    token = 'ujsCB6KjOYObPr8zJ2e3OBBx1u40DRdd6YHsnktTVO0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )