Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '9067fb1b2e534f84fd439660f4e896eec9372438e186813e8e586b8923f0a2ae' 
  AND token = 'Co9aR49w/BJN+JT1DXobaY9AXAeJGh1OwlCKvaqwAD4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00044

JSON explain

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