UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'y8HZGrSv6qp3Kf2lxGMkR6e9udaJgjVgGQDWuhqPiGk=' 
WHERE 
  key_id = '6b5552ea5cf05c4e0de0ab9145bb618f22517b64dd84a797887be386de1bb40c' 
  AND (
    token = 'y8HZGrSv6qp3Kf2lxGMkR6e9udaJgjVgGQDWuhqPiGk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )