UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eH5gWUtjolHOJ9RFoY3ZBlZG8B7r1qW3BT8iizuzGwA=' 
WHERE 
  key_id = '4c439fc38ce6604e244afafdc79f49abc8a6e51726d69a0e94bbd3355ebe8f8c' 
  AND (
    token = 'eH5gWUtjolHOJ9RFoY3ZBlZG8B7r1qW3BT8iizuzGwA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )