UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6ru97yt1I37f5fPMsKIzUpBt+eiLbgOmxWnHdc2JIjY=' 
WHERE 
  key_id = '5153e9d0e6b7358ccac195895becc1823af23efb541871c3977be158b7964699' 
  AND (
    token = '6ru97yt1I37f5fPMsKIzUpBt+eiLbgOmxWnHdc2JIjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )