UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SCE2aDdXgfiqCNR1B93V+ydPiSvu7FW+VitNmTGjIWI=' 
WHERE 
  key_id = '51383ee918989c43abafa34f966309f75c32cc8d8e4f9d63f2aed0b940eeade7' 
  AND (
    token = 'SCE2aDdXgfiqCNR1B93V+ydPiSvu7FW+VitNmTGjIWI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )