Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '3869ee33d2bee01c155deb12c51b4e732acd02465b2b08029b5b1cbe404aa04e' 
  AND token = '4KCbRkr5i6IS1nI8QDVsG7Sr6GSc/xBhWIPBc1Xjicc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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