Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '051fcab93f1d1894ec465db423124c27cb78f2899601e280d001a210010a2beb' 
  AND token = 'Q3EQiaDReVw7AEKV0J02SlkYbXrH8DFXEVmC3rxBPOQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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