UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q8MEkzKa95q+13Otr79e95f2gAjo3WD1zBMBzkj28b0=' 
WHERE 
  key_id = '4d87fb77359488a49f03da9bcb76484d14934308af0a07044a645aa492400758' 
  AND (
    token = 'Q8MEkzKa95q+13Otr79e95f2gAjo3WD1zBMBzkj28b0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )