Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '58bc007c968121093177472ffd26c60fac5f65ff228f8700a10b4e35843c436b' 
  AND token = '003rDHuUUNHiQTA1L2og1BfhhoH30VddkJ8OLP7/O6g=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00020

JSON explain

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