UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'LBeEqKf99aGTR8J2m3ipnnKqx5KOHCz4mSZrGpfOxW0=' 
WHERE 
  key_id = '406a34c715d1114da00d48bbf4cd7a76ae882d6f89f89ef94ac753c1e7871189' 
  AND (
    token = 'LBeEqKf99aGTR8J2m3ipnnKqx5KOHCz4mSZrGpfOxW0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )