UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'x81synrsQ6aqcWmLrOrhu8sr7uyDHm5a8EhE05dPwUI=' 
WHERE 
  key_id = '4cc6a55d41cb53966af9abe38a1502fa9a476b0deb962c567f7127f81055510e' 
  AND (
    token = 'x81synrsQ6aqcWmLrOrhu8sr7uyDHm5a8EhE05dPwUI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )