Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '48e3dada8cf6b0125fea792e9663106a1823896dc0e2cf20c8a63fc92916a70b' 
  AND token = 'ZaNyqmInAA9YMIYwP7g+AQxdNBmBAdBm0OHJfBlz9cA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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