Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c97d0c571b9391115936cabbffbdc927a21b015c79b45fa11b0944455a89c165' 
  AND token = 'XbO8FqQD0dYL4WmnCbbJWDlC30Zpv/akkkQVb31L7/c=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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