Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'a2ac179b25aec7c65c8cfed50425516d97e97077adc65babdb48545ad0b88be5' 
  AND token = 'Fd/8gyta2GWnMUU2WEU/Hw+LlVdZ1EZbnNZFm2zvX54=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00017

JSON explain

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