UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K2g74cMaNSv/TCvTtp4+i5Bpp03cZPUOfXwA8qjKzS0=' 
WHERE 
  key_id = '6b068b9a185616a64bf0aaecac23d16e457638ceb1cc78964a87039caf013305' 
  AND (
    token = 'K2g74cMaNSv/TCvTtp4+i5Bpp03cZPUOfXwA8qjKzS0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )