UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uBC4+allZilAqQQX1ugJcOQk6OxjiZfXleuCU47aPd8=' 
WHERE 
  key_id = '76dccab87c9aa029121a9edb7be1ea0c45aef6b4b3bb19a904dfde815d707e1b' 
  AND (
    token = 'uBC4+allZilAqQQX1ugJcOQk6OxjiZfXleuCU47aPd8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )