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SELECT 
  1 
FROM 
  q_lock_keys 
WHERE 
  key_id = '361e9126de747e110975c329f80518cdc8db95476469c4f569b38d86520d7c07' 
  AND token = 'QWkgLrOAtCfUxiXuc/2jDTgeNeawOW1VGIpVYkOFr8M=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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