Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd10953a245a5490f425338830e70cb2e06fd2f52aa7efc6c4c5b8bb46474ff87' 
  AND token = 'ImQbZX8OzwTXFXNG9PGI490Ov04gIsiS0p7d209yIQ0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00028

JSON explain

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