UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vm4VaBuzyBRnOj717qbsvokZE8jaTWYSu/Myaa7CeQo=' 
WHERE 
  key_id = '76394e6a29ffdd0a42112a7a23fba16ab6554499555744c91837fde9d256083d' 
  AND (
    token = 'vm4VaBuzyBRnOj717qbsvokZE8jaTWYSu/Myaa7CeQo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )