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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '226d3b6472c5a9c9b36418caa82fbc5a3e723c66670967f3e99f8503ea023632' 
  AND token = '8l2SYI0ew09hHkiDKilXDJmYoOTSl/7oaPO3KLe5F/Y=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00084

JSON explain

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