UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Py/bJV2495rQcvXH2X8JfdpVaqWkhtThEDrZnIoowMU=' 
WHERE 
  key_id = '6b936baee8ebb60c04832f6c8715c2af46261c49bc22a88f79073a6c53139d75' 
  AND (
    token = 'Py/bJV2495rQcvXH2X8JfdpVaqWkhtThEDrZnIoowMU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )