Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '06de4339a2a582cab5fac8233a53ca8ef8fe28077b070574618eaa9e737f4aeb' 
  AND token = '9EokZGzma4F1BA1UCJVNSUNt+hBxP0PzLHxAi+yY1eE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00015

JSON explain

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