UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sRSoGZ4iWi+L3W50eCUTtKg//2CvuG1yUQiWlsBKfqI=' 
WHERE 
  key_id = '483feb42b9f8458cc05f74bdc1ce4376f9d28b25de9d17f602f1df14d51f237f' 
  AND (
    token = 'sRSoGZ4iWi+L3W50eCUTtKg//2CvuG1yUQiWlsBKfqI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030