UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BS53cJE1NwbccTFNWfxmEm2fTieWpE103aM96YkpGJE=' 
WHERE 
  key_id = '79ecb69550f189c42075abf97ebc170f421705b2f6682997057179b541e98795' 
  AND (
    token = 'BS53cJE1NwbccTFNWfxmEm2fTieWpE103aM96YkpGJE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )