UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'k6rq+fxXvCeG10KW+3vgX4nsuXaE8coP7/5mpZLQyyg=' 
WHERE 
  key_id = '81b3d1d9bfa7e376e131bad69573e29b1253dcd9ceb1a87aa91612bc7cb4f15d' 
  AND (
    token = 'k6rq+fxXvCeG10KW+3vgX4nsuXaE8coP7/5mpZLQyyg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )