UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'O18IJhzv7MXv2XMCDrcSWrntSgM5AdpSrRECpLSLHxQ=' 
WHERE 
  key_id = '53a80982cd9727b31579b8a93f2281feb8f694086b658632eb733c1dddcbf6df' 
  AND (
    token = 'O18IJhzv7MXv2XMCDrcSWrntSgM5AdpSrRECpLSLHxQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )