UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kCLTnwItH33zESG7iumEE9XNpw9hhDiB3RmqXsXCHbA=' 
WHERE 
  key_id = '4937a7b568a0310ca61e94f8377c06309901019adace9771628b52ad161be1e4' 
  AND (
    token = 'kCLTnwItH33zESG7iumEE9XNpw9hhDiB3RmqXsXCHbA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )