UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ma6pJXOph9mb13vsO7BxkcOhWEaeca5YeIY+ZEPo2r4=' 
WHERE 
  key_id = '39e77981d5462cfea2dca58d1009e2b613362a4af861925a296467f2bd1a4d4b' 
  AND (
    token = 'ma6pJXOph9mb13vsO7BxkcOhWEaeca5YeIY+ZEPo2r4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )