Sandbox

SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = 'fa607d22a3d999ab8c2b804f17984cdaa33d3f3c9f9d7bfdd8f5dbcadb792510' 
  AND token = 'nwFidMSUGyjlZH2QkyMUN7fHHudhAGYlWTJW7OjH+OQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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