Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'af80266614aeb8745d8a6cce32e4e2245849f5ed1d3fe5820833187612d862c0' 
  AND token = 'BIc/F19QHQSUcS8WyZn8bl5tcwlOqh0I82lJSF0Ynmg=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00031

JSON explain

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