UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'm6klgu/4u3DnEOPpcPgpDoZo+85svQTXcwpjj8KLbXs=' 
WHERE 
  key_id = '8b1ac49c5b64e91317057fe63a6a84e8ef089b5e509226b7720cfaf429e6c750' 
  AND (
    token = 'm6klgu/4u3DnEOPpcPgpDoZo+85svQTXcwpjj8KLbXs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )