UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'THcLmhU4GfxaZpST1rYHANbxqtTDvwg6XkJKvDjAd7Y=' 
WHERE 
  key_id = '7a643ba609abafbb573fe36055a9971faa67c394587e90baa256781f085234a1' 
  AND (
    token = 'THcLmhU4GfxaZpST1rYHANbxqtTDvwg6XkJKvDjAd7Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )