UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zi8t2Ri9wF6BAoEUxBUM5dL3yaSFsNGvMCCDS092TB0=' 
WHERE 
  key_id = '48d1421cffa820b205f117f8c521578d2f3155e5dffa17522ad7678eefcdcc98' 
  AND (
    token = 'zi8t2Ri9wF6BAoEUxBUM5dL3yaSFsNGvMCCDS092TB0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )