Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '0d61ad05b040d7340e3404c11b09b661dbb53910a3176425cc3a0d0ea96d2588' 
  AND token = 'YGiybYHBRFLAMv8RkjF5ddWiO00bcRrh9h5fiC61+Sw=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00022

JSON explain

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