UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HwxdYXixXsrWGMSCFfjHsLBxJS9ccZ4w45CT+kfYBp0=' 
WHERE 
  key_id = '949b9254241d68453ae9c57c17dc672f256a883e07f0caf93a115883d20039d4' 
  AND (
    token = 'HwxdYXixXsrWGMSCFfjHsLBxJS9ccZ4w45CT+kfYBp0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )