UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PoiUa6KPkaERgF7U8VmK28tqZILkTl8/9vn62ghmffs=' 
WHERE 
  key_id = '54d880e356dc358dc5f13ba93af4b7c1397c1fcef044b10b6c13549263ba2bd4' 
  AND (
    token = 'PoiUa6KPkaERgF7U8VmK28tqZILkTl8/9vn62ghmffs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )