Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '8c0085e54089b492b42089c82b24b0694a10b620693cbb09580df8239b7de89d' 
  AND token = 'vP4XQNNsf9KQ4QKMblvYXwQqu2rcPKSOB3/dfenGdSQ=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00016

JSON explain

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