SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '05322963a9764f85c6ba3c26f7e5738429754edde2b6970690e3257613898f9c' 
  AND token = '+OLlYqgv9NxEk0biJm14T2OrARKqg+HjaYKB97k6/Fc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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