UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DWSchv3VSMXvEhJcqStNmgUz4TYAFDfAhKRiRZnID2w=' 
WHERE 
  key_id = '27dbc156845b981fa2bf22d835c114fbe90284a61fe4599f8d98e893e290cd54' 
  AND (
    token = 'DWSchv3VSMXvEhJcqStNmgUz4TYAFDfAhKRiRZnID2w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )