SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '130697b12319bc0d5cdd4865a69c414a08a29f6758ef2e74ba02f65bf1bbcc81' 
  AND token = 'gW+w342wdgmGi/kNl+EioaKrVEwIAcHyGBSzZjgZwFs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}