Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'ca9e9fab65e07be6a0768a174d45854023b7548225818a1ce8921ca43a0addf4' 
  AND token = 'Pb09qXLCkF5XHwll9jSFtXuLYOi5YKjbXEG094m8uMA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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