Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '05a032a49006d7bee28c0285c6f60309980a1f71d8ad330ecd641fe7efc63270' 
  AND token = '1nGc2r+Zx0qJi0stiahk8CzLi+tqC5Jv2+eSY3dg7lY=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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