Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'c14043a7eacb33b0b6a4315405b21dad5cf5cd1ef52daaea87277860624c8aae' 
  AND token = 'ro3vmA48O2auXDoDRg3Ba/tDJJxy+nZP7krO9C0dcNU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00014

JSON explain

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