Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'd8e549e4d85baf3086b7a76c554471961bd92cd662637bb8f9432210517d22b9' 
  AND token = 'gieYc2JqgJrSxr3O78QO1qcgafoDXsqJNPILNh2PE/0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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