Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '070fe310738d360e96de1ee26158f7b324c2a6165fff17953f1ef51b8aa095d0' 
  AND token = 'm0fMOgUa9dhCFfgP2gquDxKrbfyghsrv5TGUYZuhyRs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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