UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a1KmVlokl7rxUl3zDwB9W7nQQW5sLeacsn1r+cc0gBg=' 
WHERE 
  key_id = '2518b00e3c7ba33be918f5c40cb11f744cf43c054afff6f3f176b868fe483f14' 
  AND (
    token = 'a1KmVlokl7rxUl3zDwB9W7nQQW5sLeacsn1r+cc0gBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )