Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0a224181a34a9a378cd45c38fd41d2704a2bca4075f9ffd35afa37ff81baf120' 
  AND token = 'Xf63tM9WwOpZblMBJK3urzgBlujD/f0IZEgv9EKktzU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00026

JSON explain

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