UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Wx5899axUuVLrc8amN0u0SmZ22HruwXSvroBWCnMdV0=' 
WHERE 
  key_id = '99e110cfa51ceca4c31e4db5f4a16b726aebe6eede5ad783efdbfd28a7bab7bf' 
  AND (
    token = 'Wx5899axUuVLrc8amN0u0SmZ22HruwXSvroBWCnMdV0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034