Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '809a680014c65fe304c8eb425061d4c038db5b3474fd0fe4b5d68b67cf22ae50' 
  AND token = 'jWICw7d+HaWA0e6xiXUvBE4NMZ3UanWE89XX4wEjT/s=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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