Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'e1c9b1ff7c0a3ad3aa929cae224d4fc3aa448b61235f3c518e2ca6f01152be33' 
  AND token = 'CSwAJ+VngjPuOobznafrbd2tEO3LalWPZlir8f349bg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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