UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6wJA5WxhCz/fm70BQMOhZStsF8WhBJznT6CWygM9RMc=' 
WHERE 
  key_id = '8b75030173cfcbc0729756b4f61d2a87c2d36f9b8dfd8812841321c58d01a98d' 
  AND (
    token = '6wJA5WxhCz/fm70BQMOhZStsF8WhBJznT6CWygM9RMc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )