UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'q4+gBYZUq51D+YcMvyciAnGXSnkEOTZcspVV3xxAJ/E=' 
WHERE 
  key_id = '7f4163fe9d001fb9631e127f49b6dc60df841245ca70955f45388b65a3a69928' 
  AND (
    token = 'q4+gBYZUq51D+YcMvyciAnGXSnkEOTZcspVV3xxAJ/E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00034