UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Ua+DVVSQa45QrqnezPHUx626WE8y+6pcZDBoDq+AN6U=' 
WHERE 
  key_id = '538bdd1c5a9261dae746be8f292044a95698fbdb6ad915d47da698518cfc8555' 
  AND (
    token = 'Ua+DVVSQa45QrqnezPHUx626WE8y+6pcZDBoDq+AN6U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )