Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '17425fe4d00860628560f6b9f7d856a93e30efc3a2dbd7ed24d2c633eb7c2f96' 
  AND token = '8nwJCW79gFpo1ruoQX9q/B6KQ0VX56wRjjVMQNCjkVo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00030

JSON explain

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