UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Qtei1INealIF1pMWGO/IbjS5NKkvrKJv2Q64EPIaSOM=' 
WHERE 
  key_id = '91af71972d8177b13b9de51b82df22f0206a73382a7fcace4dde5d665d8e921b' 
  AND (
    token = 'Qtei1INealIF1pMWGO/IbjS5NKkvrKJv2Q64EPIaSOM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )