UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xX5jef1wFNNp8RXBTXekbPoArTqmFfBEIa0YygvMiw4=' 
WHERE 
  key_id = '3b4d735eb76e580e7903d7b083a09fac3775caf45c76b656bad89ce70efd6254' 
  AND (
    token = 'xX5jef1wFNNp8RXBTXekbPoArTqmFfBEIa0YygvMiw4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )