UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qTgmaaZhY66z597WZGqaqiEvwSVwtEuzGbekRJRoX+0=' 
WHERE 
  key_id = '5294040cd5a0139a4b8f9c0e54d697a786ef7def2ed6b2816181868c598635a6' 
  AND (
    token = 'qTgmaaZhY66z597WZGqaqiEvwSVwtEuzGbekRJRoX+0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )