UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AiR7EhfG0k+B5b4LAhMXsW/oaChk6aMj54olmEeEQKk=' 
WHERE 
  key_id = 'a3d39708b20266664741efedc1acf19930513a058eead268ba28ec898e85d209' 
  AND (
    token = 'AiR7EhfG0k+B5b4LAhMXsW/oaChk6aMj54olmEeEQKk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )