UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VX5rmU7YOlFycq7dB4pPqDSxLKITzvMFB4niU3u3kHU=' 
WHERE 
  key_id = '6b527c032c3fc3eceff6a76b3a02fa960a1e2c29b09354ad763a05451dc11f20' 
  AND (
    token = 'VX5rmU7YOlFycq7dB4pPqDSxLKITzvMFB4niU3u3kHU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )