Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '73c19f7fd541b5ae604f13f4f22d203ea584d4b3ebfb07df74fb7f940474ab31' 
  AND token = '2Ztxtpb7TrthB11sBaU0lggxSGAZbA3Dw436uvcaBwQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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