UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QHwCaxMqUAWhUPIbE6Evw7PaHnXV1xlwfmzFDCv/DSU=' 
WHERE 
  key_id = '9db2f40ab2487a052e083463416df5ae75b98634c5556803d007dc8889c2044c' 
  AND (
    token = 'QHwCaxMqUAWhUPIbE6Evw7PaHnXV1xlwfmzFDCv/DSU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )