UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7fR9aSAuMLgLstd7txWcxrARJ8OrgMsW4zTzSUyEN/s=' 
WHERE 
  key_id = '2c83533a9240793b4ddffea8fd55381fb3cb86389961893cb46be7f449c51bc0' 
  AND (
    token = '7fR9aSAuMLgLstd7txWcxrARJ8OrgMsW4zTzSUyEN/s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )