Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5d207fe1b75f4c98f04ba9d859f1064e85d9a58830342c0ce343d4f961826366' 
  AND token = 'ILWdLSl/xxVWiRHqK6hWPhWOtxxJ32lcayltti9eTRo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00027

JSON explain

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