UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'jm8D7OJzrm4yKfavGSitl6BHK0FzzrHX8MfwwfsNLh8=' 
WHERE 
  key_id = '9944da222e559ad95b7d3a928a1cb05a4b0ae46a6100bbf78d73623910fa7d3b' 
  AND (
    token = 'jm8D7OJzrm4yKfavGSitl6BHK0FzzrHX8MfwwfsNLh8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024