UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PB9ln6Yz6SGTqRWEr5v4pCR9FUKFBjCVeZd0kELxf9M=' 
WHERE 
  key_id = '27d569b0c2c15831a6f81948a376bf62002836dc88993d1a6a025692f983983d' 
  AND (
    token = 'PB9ln6Yz6SGTqRWEr5v4pCR9FUKFBjCVeZd0kELxf9M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )