Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '751112c92a23716f30399ad4063287e473dd4ebd2979723c2d27c5a4f7d5cce8' 
  AND token = '1Y+ln7Vr05ZjV29QZaeMhEtl8IgBGxmASIkeoc3i4xg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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