SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '0f8efe578096c26e447617223edd9be9614355b63c4882b75f2deafe71c9d658' 
  AND token = 'hMGqEJv8OiclhpNLPKeCekYtJazXxtb/vCIAxyUiwTo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00010

JSON explain

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