UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iq4dPrzj4Sw484zjvUGWlcIyeeRsOU6zDngR7zBo/3E=' 
WHERE 
  key_id = 'b4334819be97866056cbd656dfce824243fb5897d84a49d4c478a46ff79cfea8' 
  AND (
    token = 'iq4dPrzj4Sw484zjvUGWlcIyeeRsOU6zDngR7zBo/3E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )