Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'eddff52b1ba2fee6a038c179c55087dc60d012b5642e7bb41667cbb234fb835d' 
  AND token = '3wCuZKiIvDdKymTgTl0le1sPmM2SdRTX4Bz5llLnSNc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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