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SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '24bb59b5545d15e2ea5d6a8f30a7211c31a9ae4375c6aece47109c17920e4b05' 
  AND token = 'y0VRTByyNITXTvy8saqgjbSlNKrJbTDNB02cUxz7Kfw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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