UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'COHj6Zr3R6cImXhgenxHM7MIKvK4u96X63fSgaBStBU=' 
WHERE 
  key_id = '29527ca5b38465ac9fd7f761a77312efdfcac77bb7dbb91797775a39badf3e1a' 
  AND (
    token = 'COHj6Zr3R6cImXhgenxHM7MIKvK4u96X63fSgaBStBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )