UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mlhpXaEwZ/vqSDbsW8sUWDtnnnl8XH63pY4tcUoGdTI=' 
WHERE 
  key_id = '8e9b9cebc6b5280ac6e595751c9084f518e07230711173eab8d76843885134df' 
  AND (
    token = 'mlhpXaEwZ/vqSDbsW8sUWDtnnnl8XH63pY4tcUoGdTI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )