Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '123dcc87863f09a35420dd7902dba61025c73af86815b791d174ec0f1f60dc2a' 
  AND token = 'FbJO0xfyNkWe7tkW/xsD/lzgkVvxI6RIKjRDZiPiEAc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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