UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WmA+Elv4E3z0YW5WMsSBloM3gTdfJm9pgJlbFJkrrWU=' 
WHERE 
  key_id = '6475905d0c130adffe306cacc53fa9341611cac49677b4d4e8b9171d61462534' 
  AND (
    token = 'WmA+Elv4E3z0YW5WMsSBloM3gTdfJm9pgJlbFJkrrWU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )