UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd6TL6mcEYBS4ci3w2I0TTzD1OuvMloP6NXtDOZg8cWM=' 
WHERE 
  key_id = '51b7325942ae40ddbf548d57a5a86cc5856bb39b1ad2b2262af4b9ce7d0fc6ac' 
  AND (
    token = 'd6TL6mcEYBS4ci3w2I0TTzD1OuvMloP6NXtDOZg8cWM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )