UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NX2LkgSLbFjT35xaXrtKQ0qzNgQqwaqnikf12yTT/UU=' 
WHERE 
  key_id = 'e15c041c4e01d69d424b3dba1d41ba436635307cfda6714da1ee74af5cde018a' 
  AND (
    token = 'NX2LkgSLbFjT35xaXrtKQ0qzNgQqwaqnikf12yTT/UU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )