Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '163fb69c8cf7a85d06adc2089c74d9ffb4d92c481262f9255b7430f3e6faa05d' 
  AND token = '0eu8Nlr5zoiy4mtl7glrFLAFmrlOkbQzP5bJ/hF0N90=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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