Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '49a866473a42e47425302fdf7a8b995f7b20eddcf0285efc1ab96224508eb614' 
  AND token = 'VeaBbUtYUlwOW8Ej/SBwycpZ4H93cgoVs7Qw1OJgU9E=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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