Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'deeae985da0391be14be6fb97b66a394881887109a5f09bd4724a9b4765e8a60' 
  AND token = 'TAOJP2V3eTsHvIAQdSg+5b/QNhVVh8RQbwYEnA9xI/g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00049

JSON explain

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