Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '54162ee91dd74ae07f939e55ff3503138f3b1bc4c5310450d6c85d7018ccd738' 
  AND token = '33xvyumHDA1dGmdwX4PJORyBkGat0Bdc2nyk0dHkAnQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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