Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'e5e5ae2efd242277f1de120f44f56893efbdf13116cdc4a9d6543ba771207415' 
  AND token = '5o76N7Yzoo1yV5DL6vNf7zjIJ0n5UlnmyLU+EeUz4ts=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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