Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '811ae951c53fcf03f12bb7acedebf2e0c0a4d6be2526383af9ca16cb5cb8057e' 
  AND token = 'Cop34BSPHI76zioXHmb5syYk+UNt2EqCl/bGWsvr0aA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00046

JSON explain

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