UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c2K9b77/nEwg1ktS3osmbSX+9fofWlnZoU3oqe4dBKI=' 
WHERE 
  key_id = '29c33c2ed8823edcf772401e636891e2187ce8b9e5f724cdaf9034919a28d49b' 
  AND (
    token = 'c2K9b77/nEwg1ktS3osmbSX+9fofWlnZoU3oqe4dBKI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )