Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '5ed1200d3c917565d0792802630977ea501f5d6da751810bd22eadd507b8fb8f' 
  AND token = '80N9QbGVcHqM3pZc6z1kGC/slYGjkk/kQJzVGAS6ZPc=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00037

JSON explain

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