Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1440e061fddbc8415c96a34ef435e31088578871c8c7c6cb84b1a5a7474f8a5f' 
  AND token = 'QlxQishU1dCoQO2wafP30AhxXYG3RVQr3s2GKXw/dR0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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