Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '127feccd6ed0fe7d825cf4a0de3173f874e368f0b97a4f1b4907f62f851898ac' 
  AND token = 'Hul9HckYSLetRZ94s3H3xQqg+KEoifN8S1VGVfnEVrs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00038

JSON explain

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