Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '5129d88e6cca22ab6ae80e51a524cf29125ab1c2ba42deb444d69f46b370425d' 
  AND token = 'DjecWI9Tk43HQY2+T5bnqw1TIdTYFqk+tin8Fhgvwjs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00041

JSON explain

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