Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '1d009a2c6298832665ccd1de647f469ae28c8324a4b4e43df0ed258b4702a7a2' 
  AND token = 'xPlxe2sTwhU0Pcn6F+mY4+9df3iNBTFJAtGjwm74cew=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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