Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9cd91c6244314e18472bc9f537c1530ba659fa045e3703e37fe7ba98c5e97c77' 
  AND token = 'OhMAaGMYeJhRF3cvM3LN2pULEh1B/6hymNKyQPu4JVU=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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