Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '72f4e6c5c75e23e22ca713b367e27f260a76525ab79b3fd5ce8d97294601287c' 
  AND token = 'ilELoPbVLxJ6U4g5zk7gOvMTCrShw5LZ/A+SkgZmb94=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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