Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9080e8b909f6c8bfbb2cdabf624c7c25616d501c46584b82d08cae962ba4e2fe' 
  AND token = 'jfapmHTyTnziUXVtQkgtjmBOqjrcBjPDHvVefCQNt5o=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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