SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '1173abb66505328c0f8b32d142dcb2ce834999a8542f137cc7f8db4d31587750' 
  AND token = 'FtCInM3W0yLsw2KEHhe7gRDNxXFaGk4nGpqRLr4BfmE=' 
  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"
    }
  }
}