UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gEpmkaFvv/A9y07A4QJda3MwzUdZCmwPjwjoXzSOF/Y=' 
WHERE 
  key_id = '98740c6b7d1f83f939479056cd3e9017d94f084433009a48ace50725f8128197' 
  AND (
    token = 'gEpmkaFvv/A9y07A4QJda3MwzUdZCmwPjwjoXzSOF/Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )