UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DpnnUd2/pttZpeCRFY1UANQmwnHB+xb3oVWkHd5HSN0=' 
WHERE 
  key_id = '871846b33e382f5c8469b414ad5b08a75a8d76d3b09d3469e204b02b4eee0f2a' 
  AND (
    token = 'DpnnUd2/pttZpeCRFY1UANQmwnHB+xb3oVWkHd5HSN0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )