UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KRkNdGMbU2X2UnCxWxIeXrT785HY4Lt48cd8VOqL6wo=' 
WHERE 
  key_id = '5e843a49ec4b04ed74ece7792638a39964c120839ca47e1effaa95eb80c4e595' 
  AND (
    token = 'KRkNdGMbU2X2UnCxWxIeXrT785HY4Lt48cd8VOqL6wo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )