UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'J3z7HkeliGLEy3V7CfuPZ3goWBsxLV6ayD8m+/2+HzQ=' 
WHERE 
  key_id = '21c84ab9dbde959599c8b535e9b3aff66bbab680d4370a433c862a314246932f' 
  AND (
    token = 'J3z7HkeliGLEy3V7CfuPZ3goWBsxLV6ayD8m+/2+HzQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )