Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '10c059c9f176b3a72281a6cf9e34041b26ce8d11e25ebd816a0f93b29bebbc13' 
  AND token = '12H76J87q80MaA6S0rlhUBnbqTzhbPGtqkpUKd6vlN8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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