UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'womtYiP6wUcW0bcPU6vWa2NrGW2zmBWy3kLK05tJj3Y=' 
WHERE 
  key_id = '21a486aba826c051c87a448029810e959e00801c0f082a2333f02ccb9275e478' 
  AND (
    token = 'womtYiP6wUcW0bcPU6vWa2NrGW2zmBWy3kLK05tJj3Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )