UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n4+0AvgVZrUndlq7RbaJnfRpQGoHEhSckhW550mc+FA=' 
WHERE 
  key_id = '97dcb952d419f25372f1c5e0f52abc8535263409a94f38fd456839b09c93a099' 
  AND (
    token = 'n4+0AvgVZrUndlq7RbaJnfRpQGoHEhSckhW550mc+FA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )