UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ysXvfgYTAe1NTAbDx7usfjB+B/It+h4J3QL+EHP7SDA=' 
WHERE 
  key_id = 'a837c80e9dbe499431928a868304349c566fb508e8a61eadb2a02276e04def9b' 
  AND (
    token = 'ysXvfgYTAe1NTAbDx7usfjB+B/It+h4J3QL+EHP7SDA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00037