Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'd92b8632e56a924600d1a83494f75aac6e28114123bc4abd9146b8b75b453338' 
  AND token = 'Oe4Nm7hLb8/8fqeEHnerSnlIBdwf4LL2MPY6gqBJOwk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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