UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PDqr5NqUj2yYLM2oRXg8xF3Ja7MpqwtSbAqmflDjYXc=' 
WHERE 
  key_id = '9841b595666db607553db0928d99134deea1ffeae8e0d39e4b26b6039060e947' 
  AND (
    token = 'PDqr5NqUj2yYLM2oRXg8xF3Ja7MpqwtSbAqmflDjYXc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )