Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '801e0f96927e34eccc31d2896da6925c461ce7b59984efa18da9ada1ae1bd916' 
  AND token = 'bbXZpOBhv1mCinqD0y90PpHKLmoGECq9JYfxh7wi46E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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