Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = 'e7e0bfd0bef8e3a2685589f2076149f522aa1c45eff094f99feaa5966963bd27' 
  AND token = 'vhRrnN/wQIXEkbwFk12x+W9hBDXXFkYEKaZlWZmc/L0=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00050

JSON explain

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