UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Sg95AwJH6Dyqo90fVabXvQl8VBEGc8GzYjoVRiMY+Zs=' 
WHERE 
  key_id = '121d8d025866507c7b99fdbb0643a074e2ead71f8e6f216fb59591204e909d51' 
  AND (
    token = 'Sg95AwJH6Dyqo90fVabXvQl8VBEGc8GzYjoVRiMY+Zs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )