Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = '2cc8816b269e4152d5fcce5d410a982d967c55f88cfe62330cdc5d39504e88a1' 
  AND token = 'iigA6mRJLrLtT1gLQeNoB5FksDtCPCYWf+O9ntt0A8M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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