Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'be648c92d96f82c52c513617f7ae44f20f24db3342dfa55ad519f6a33d52595b' 
  AND token = 'Od7wJtOzfrkY52MDRiqFILJJ4eTwnmjgePk/9EIhWJ0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00014

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}