Sandbox

SELECT 
  1 
FROM 
  cscart_june_setuplock_keys 
WHERE 
  key_id = '367cbb1bc340d9eb10343decb7555f905102c7621d08cb7b46d9645ba5aa2cb7' 
  AND token = '24bvKCZ/vWf3GZ24CWoOidkfoVjC9c74SyYwNMitNkI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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