Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '358cdf09ba56e14323503fe7c18132176fbd0f5b2bf17123beb29a26d87e8d65' 
  AND token = 'WUE+EpI6ou1WatjlVcPGUyCWNfJwJiIFZVI0z+PA8Ns=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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