UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'i9MNLwWc5q6JjtZLX84/z7eybOt9byFqmK/v4Pn/ilc=' 
WHERE 
  key_id = '6c251027e1f8a64477b45355c9a5cd28c46433bcc181872a21345a012a91ebe2' 
  AND (
    token = 'i9MNLwWc5q6JjtZLX84/z7eybOt9byFqmK/v4Pn/ilc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )