Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'd3414a272a698b0e42ae20aa7c4e3cac1ca80358da193417e26fac6d41c39656' 
  AND token = 'aA6KGWQ21eeVo3aCJzuzobdKMRzG/XknrxqoSYeGPeE=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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