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SELECT 
  1 
FROM 
  vi_lock_keys 
WHERE 
  key_id = '058c68c13de42f89e6e92f07bf1e98fe42fa40363015b733234a6726fa8b7d09' 
  AND token = 'roFixu8w+NutzSw0YPNETpBSz5MsHU41HlWvc455O9I=' 
  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"
    }
  }
}