Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '74353c524d819dce4ff2a930badfbe58a8bb82593dd04f96e920e0912c78b1b0' 
  AND token = '4DjarmWB2w0OOSjpp9oYWlDlSwlRA99UJBKx6myrIjM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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