Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '410a524dd5d427e1ae3d46ad9e3573fa89892a2e77f43673b8b6067aabe08691' 
  AND token = '3Wt4w6CBINot/RMiRu+fMeLN2jsykNF/U4wPW2zMLe8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

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