UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4eRlVnYAFKo1N8YPJtzbRb4wa3xn9TQBE5wELlPoFmY=' 
WHERE 
  key_id = '77295049d2c6338f893a215b4e33df2411f2047c38bccb765a8e25a922a8762d' 
  AND (
    token = '4eRlVnYAFKo1N8YPJtzbRb4wa3xn9TQBE5wELlPoFmY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )