UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mzlni13px31Jnf5ud3PD9Xyn3YT1FO8Lx4d7msN2dfU=' 
WHERE 
  key_id = '27967bea2925c0b65610ea64e0b4a2c585012f74967eca0d7633f7d92f6020d1' 
  AND (
    token = 'mzlni13px31Jnf5ud3PD9Xyn3YT1FO8Lx4d7msN2dfU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )