Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9022fae9f3873f95ea47cab436d36c7073ac925050e804560c01ff53ae9cca1f' 
  AND token = 'DhMLBShJGQqmi6hXcsxbdWos9IZHGGq4Nsdxy4dVHS4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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