Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '24bc4c1679679b9a61570eb574b078f2cda709c1999811495659b1bc101e5cc3' 
  AND token = 'HEwti1SbK9HDlHmpIQj/Xu4H9XEk5ozSZ3NWIg7wIiI=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00036

JSON explain

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