UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RZ6cEro/yFmlVFvvvWN6mdA1fdyb9qttOpTj+sTguUI=' 
WHERE 
  key_id = '6b733ff58ed5046051f5a566c79063f69ef04c0ad35d3b6886d422af07b36b6c' 
  AND (
    token = 'RZ6cEro/yFmlVFvvvWN6mdA1fdyb9qttOpTj+sTguUI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )