Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '432073c1ef9d388deafc85a05049a0152706aa7ce00bc413b50379260829022e' 
  AND token = 'hOIbvVbFmlgRRM8aNU9Et6pN7Rd+eWWwNaP2S5We87E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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