Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '13bb13df5d41368d0a0ae9b66459397f8ff1cda5ca8189dc4b90d32d322230e0' 
  AND token = 'gLfBKiNSNyd7hydPaXQc2P3xBN54jDhaPWvKc3gFOa4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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