UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BlZUcjJyCp+MZ1MiZ5twKXgKQbyyLFrCdiH//NQAOj0=' 
WHERE 
  key_id = '694453a6bd84602c71f5780f581a7f64c22c819f300ba17621a056c74f64f43b' 
  AND (
    token = 'BlZUcjJyCp+MZ1MiZ5twKXgKQbyyLFrCdiH//NQAOj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )