Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aae258118d93b1684c5307d4a50f7bcb73406adf8060b3ef1425161d720b1105' 
  AND token = 'hyTdPXMDaYSSw52qjEMa5bm0hh1Ij7xnSvl7LkvY+do=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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