Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '97096f741847c2227e4125266cb9e9d047e84f0afb4e6851f4f35ccaeb7ed006' 
  AND token = 'Fa2V2gR1dv1HwCPqu1DYjWWPFBz0CNE7IwcrKHBC67w=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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