UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qIoL8KsX/9jab8t+Ouph/LK9FvTeAcuCLhG+Oqcac/M=' 
WHERE 
  key_id = 'a03e0a406fcf0cfba84714603ab26379978e7125407ece478111a6d876939af4' 
  AND (
    token = 'qIoL8KsX/9jab8t+Ouph/LK9FvTeAcuCLhG+Oqcac/M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034