Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1ea7c24b34d157222840b228a561d260bf5cd5a009dcf7754418bcadaeacd2cf' 
  AND token = 'shTfy2eM95oTgxYMtM0Qv1ZkJDLW6ow+uV89WnIeLf4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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