Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2e8c55dcac5767d4eb33ff8b7c0a6d3bf67f35f3dbbbc33a3a860c0b0dbc3de7' 
  AND token = 'YkuGnEAu1hEW36D77YxvDJrchudRm1XSCX2QyrOPTx4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00048

JSON explain

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