Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c606dafb834949fd6662941611095e28143aaffe2b3ec1d8afa77eb090decdd6' 
  AND token = 'CYCdIkvu8A3lsvsuZ0Hpx6ydIOVyoWOC23xdTF0cGYE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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