Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '02d2e19a84468164d348d788fb16a25d081e24b2e09ffa36c7ce511c64efd732' 
  AND token = 'ojIR8KeWKKT2zo5jjEX/ka60Qeyq10IKqeT7+vCyCSA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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