UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/K2xd3PTa3kNNt3rX5k6IiPvt6eFGJsqPwjDwnsTeaw=' 
WHERE 
  key_id = 'f749d6d5b33e0c543aa3ab4faf04f27a37d0da736aa1c21631edf4f32bfa78a2' 
  AND (
    token = '/K2xd3PTa3kNNt3rX5k6IiPvt6eFGJsqPwjDwnsTeaw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )