Sandbox

SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = '0ce0345524f905fc1270a12d3db1a50b30ceda4318ca7d0f177f04125462ddf4' 
  AND token = 'ibZX2fYFob2n5I2M7VvC2S/J/y1cz3GSTfdxEZZShC0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}