UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'G+pyHpsgThwuwWF7Mb7DaeILeubWAJmE8IjD/I6XrC0=' 
WHERE 
  key_id = 'b83793fb97ee6a3ecb351c3c9ef8e52ca04747acac3e957bce511fcd71533543' 
  AND (
    token = 'G+pyHpsgThwuwWF7Mb7DaeILeubWAJmE8IjD/I6XrC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )