Sandbox

SELECT 
  1 
FROM 
  cscart_aprillock_keys 
WHERE 
  key_id = 'da6b07d076a10dd2c7c069717898c8c6fff50daede728e100df67daa6e48c0d6' 
  AND token = 'jS4ldYe6YGXoeW6Pe/tO/lJNUHTFtkN08FnnPzdPPZo=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00043

JSON explain

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