Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'eff62a321e4a73390c13e9ce4a1fd154bc98b622619c07541847e89ba5fe80fa' 
  AND token = '+EpYHt3x4j8NfwrH/il/rbTmZpywF1D4mClHjfspmSg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00029

JSON explain

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