Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '88c12ccbeeeee7b31613f7a120c764104c2d0f5efdc59c802ad05c90ebf0f0ea' 
  AND token = 'J260Lv1juCqXzfW7m6JDCOAEUnSJZf30CLOIaRK0PMM=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00199

JSON explain

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