Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9780e416569101cc9ac6f7dce42cdcfdc97ff208b8193d59448d8881331fccef' 
  AND token = 'x9PK1xtE0LqQ9xYvFe8OnKy5OW7i8gK1N3XomWq7Hfw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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