Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '7a1186da04179ec1b11d88cf4a3e880ef073fab8ac4c0596b8aa1adf80d0146b' 
  AND token = 'En1hsl5lWR63axwn8KRYtfr82tBhYszy0z3/B53Tvqo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00040

JSON explain

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