UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VAXDf3f40EEITr8LFNB29m0KwkfnLbNqkdTY6yT3+m0=' 
WHERE 
  key_id = '6579458e9847c358e93e65b6496595eb606640dccd97033252625f8cb3e98e98' 
  AND (
    token = 'VAXDf3f40EEITr8LFNB29m0KwkfnLbNqkdTY6yT3+m0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )