Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'aedf4fa067a6403da142bf75898ebd1355096277397837ab2a64fec94cbbe096' 
  AND token = 'sCq3kPNnCb7o9u4Sb6KaZwLphkfUE7x5WcAMCr2nEsM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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