SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '2828433343d5e91e4ac7f8b8c5365ae4c707acc906d5c0002048adb53598278d' 
  AND token = '0w615NRHKCUF0FLlJAY2YWX3O6vzq7BdN/chLlyVuOQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00011

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}