UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '21HlFJ3jyPHBlz6NSaDYqMO2/7vitzf+oWW+FBmAwGM=' 
WHERE 
  key_id = '4be8d633d5085d372e662cda1218ededf202b0e3a221b238ed780de1e53e1051' 
  AND (
    token = '21HlFJ3jyPHBlz6NSaDYqMO2/7vitzf+oWW+FBmAwGM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )