Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '00096c1bf2faae614ea1c86237c3b8ff7607a6e2784e60de5ffe599686cc4bf4' 
  AND token = 'tW2aua+SJ8mYWPd7vLHP1td41eYW2ZvEym7wxtoNwbw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00023

JSON explain

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