UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cMqEzZMy+UdXmk/Dj4LEKOtGkG/qPEHPwUjREvQcFy4=' 
WHERE 
  key_id = '21c1dbf6b69abab6905209e4bb6f061a9b55a74e64092021530a15cb1e45a582' 
  AND (
    token = 'cMqEzZMy+UdXmk/Dj4LEKOtGkG/qPEHPwUjREvQcFy4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )