Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '2667ddc53fe66d877ad29fb1ecf7593a97be77c503a58b5b299ef42c0311b36f' 
  AND token = 'IrRYOlJoc2V6Gruu28tVBK4l8Kh1TeXOTvH/PcQa3No=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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