Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0d3264128d4fb04fb7cae67149473d4afc7062df47d567e32abcf01ebf1f6a33' 
  AND token = 'M62ohE6O+qoAYSfHiC2sBEYZJCTR7Xw4XYLsVlb/0HA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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