Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0e3b7844aba59bd5e039dfe9e065954c1f74799d2add91bf4e53161d6f8d5e1b' 
  AND token = 'bSWzFzB++8smSQnZ1BvC6l27bNxln1ZwyUH13aIpCYU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00081

JSON explain

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