Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '31bac6cc0dbf50ab879b247d3da774ff0ab338679444e841c52c2b1cf27da637' 
  AND token = 'iT0U9n+W7fH5TK40Y5OIlApoyTkLQOJ5BZmR6C3aQRQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00032

JSON explain

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