Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '07467deb97236c62ec3112edf020daee26c18fe41e8fa82e78df87b2d306c3b0' 
  AND token = 'dunyZoUSGhBcNWYf8I6ZQ//f4lJYZql+sr3jrmRY5Ag=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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