Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '61d9bece35a6b1800a9ab554b97a9aa585abd50029f113ad4aaa188543d4733e' 
  AND token = 'AGI83ygtLTWjaY9cLboMHip6ho3fKxWaO1wHF94dPBg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00039

JSON explain

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