Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '605c12de9e3fd14a32aa7662cfc80a2201e15baa16120e9c1488babd31371ffd' 
  AND token = 'I0KC7bouwQx0M5+K/bcgXnDl9GBjGHGHK/nVi744pRk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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