Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'b67654423d10ab92a11a88cde601467d40aa000309c1afaa90270f68ecadc5ef' 
  AND token = 'Bm+gni0nef6CsvT6ELekGDABr+D3tc+jMx03HZsHrPc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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