UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8R1DJjyqXKObp2i0WiscuxWx7AcjOF9BsvUTXZkQYng=' 
WHERE 
  key_id = '598d9fbc1f6b0e9d08722846cd39c28347ab47666085b24877015c757b5d0673' 
  AND (
    token = '8R1DJjyqXKObp2i0WiscuxWx7AcjOF9BsvUTXZkQYng=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )