UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'imgf+Cu/Fa3mJwYwqSjFAzU0JiV34WGRdYpa29ihkHQ=' 
WHERE 
  key_id = 'eb7003b1681de7ebdb1d7b4d6957ba80701337d04fe35e3825350c224d5745f9' 
  AND (
    token = 'imgf+Cu/Fa3mJwYwqSjFAzU0JiV34WGRdYpa29ihkHQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00026