Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1c8bf967c6ccfee13f0024d837404fedec259e270106ad7099e55158e0836942' 
  AND token = 'y99UDrsyyFiX3Z6hGURNm9yRc8cw32Rhgh8KSGnudRs=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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