UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qqeeAWm3/fkgyTW7/lJlD1V4GCP4exa/G/Yeh+UbNfI=' 
WHERE 
  key_id = '24d00c436b03e68037a5c36236093ee64fb8bec2f87fd581fc521a3d8270d9c3' 
  AND (
    token = 'qqeeAWm3/fkgyTW7/lJlD1V4GCP4exa/G/Yeh+UbNfI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00053