Sandbox

SELECT 
  1 
FROM 
  cscart_multi_declock_keys 
WHERE 
  key_id = '164599d1bfd28562c57e698f570ab72681a94c2a3785cebab6da2a03a7cf4dab' 
  AND token = 'bhSQpyFJBdMaRlWsTvf8oqwbRm+Hlhy8ptSRXRfvZd8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}