Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '7516b4a47c8443f8fe6f0bf56af5c47f6cf4b0a57a253235c2cfc9c015eccfba' 
  AND token = '24N/ZtP1Zm5r/v1xTNcwDjzvFgWftTsifPKC7V/RcbI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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