UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'ItK3yxHmnA/fuVKTnnzBmGUr61nJijDJUi4v/qa4qXM=' 
WHERE 
  key_id = '5be0f567bb83fa4795c97e0c3cc8d266c045be9144bcf55ead67eef5dee5b2b4' 
  AND (
    token = 'ItK3yxHmnA/fuVKTnnzBmGUr61nJijDJUi4v/qa4qXM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00024