UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RC3zgIgfrfKvGURIitYplupfpAfpt5un68iMMRkua9E=' 
WHERE 
  key_id = '817749e7db093bc8b35cef316b09d73994405fc31d45addd516e918164f4d224' 
  AND (
    token = 'RC3zgIgfrfKvGURIitYplupfpAfpt5un68iMMRkua9E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )