UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'XGRzVU2OFEm9l2aFzTrUrjYbo5ruOFdppO8EGv6MjDg=' 
WHERE 
  key_id = '6e795438da625ee3d669c4d28eb5461cdf59d99f7469823fd9530c24b8354338' 
  AND (
    token = 'XGRzVU2OFEm9l2aFzTrUrjYbo5ruOFdppO8EGv6MjDg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )