Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '26083966cc7b1014cde28c05f00e2e1dc61ca9978e748aa448c00e773e13e542' 
  AND token = '/vbWF+MMzZXeR2LK2XzNsg6cqzpt0m5z+Q42VZvJ5K0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

{
  "query_block": {
    "select_id": 1,
    "table": {
      "message": "Impossible WHERE noticed after reading const tables"
    }
  }
}