UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a6wf4TDfeirfJjyutxjrm3MR5ElXHeGyT8zok4y3ypw=' 
WHERE 
  key_id = '46cf85b66952d094806fcc06d2cb460e5c2e0c8c45b9f0c192beaab1e39be8c7' 
  AND (
    token = 'a6wf4TDfeirfJjyutxjrm3MR5ElXHeGyT8zok4y3ypw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )