SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'bdeea01fef27076dad96b65cfe133626dd81b5ec35a7629ea67217731b1c4f49' 
  AND token = 'wVOxbxhZoFV2s4i14UcJ/H9gzJYKbaavrgR2D3SJ5eA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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