Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '95095b6c49b52e8c5d7bf9f998f404164e47b3a4672773d77f65147bd36c2f8e' 
  AND token = 'F0K2yV9lqN/LjdAFY5pvaU+7rPfHYgThdeP2ytqU7cA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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