Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '5411321b6ff4157aca50ba98e1436912dab6483206166b4852e3ca4c97b0139d' 
  AND token = 'PMbop8gicnNK/4PIIpcc0Pxupo/lSB/PDc4XPM5GFW0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00053

JSON explain

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