UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oI1m6Buz6A+79Gbc3MD8pDv87TgUyOfipVJxJD3Kfy8=' 
WHERE 
  key_id = '838badd54cb737d2855be39e296a624e26d9e856f4398662e03003939cd389f5' 
  AND (
    token = 'oI1m6Buz6A+79Gbc3MD8pDv87TgUyOfipVJxJD3Kfy8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )