Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '80597e39ec6fb537e55ab2c385c9cfffbd1a6468d364aa22aa430c8cf03fd003' 
  AND token = 'X2jv1ve/sy99rIaBKWE0A0jTjo6Dw1CAgNFzzeTeS8U=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00047

JSON explain

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