Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aab5f340371c383a143d147fe2341917d39c3c12cdffeb919136a1b5f3dcc712' 
  AND token = 'ClHPq1bMIXzxEX7gLrSPOIKQWsHR40KdegjDYpFhCqI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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