Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '88caaf3af34eff2c53e7f3492949c4c90b4e0fd06bd212648fb0bf5abdb7b4d3' 
  AND token = '4TXpQdwQyyu0gE8TKqXtnnQIdql1V0lH9mq8+qM6u+8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00024

JSON explain

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