UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VdpeAP8XEDuJUj28XTZfw/3r4sDGew8llWgzlu8mLhM=' 
WHERE 
  key_id = '6412f57392fbdb0683ce6c05e1f2559279880632a1721b453f833ae2fecd6405' 
  AND (
    token = 'VdpeAP8XEDuJUj28XTZfw/3r4sDGew8llWgzlu8mLhM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )