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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '64fafe90aadbb5484c8c2ebee4c3e081d1fe0eef5b10624ed7eec62980671524' 
  AND token = 'XJK1OKHiltCtWHphb3/UJ3MQJr0v0GN7WpLdK9Eh98k=' 
  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"
    }
  }
}