UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nw/eXMfFZN+9ul0r9Y+lMcBA7voONbSGxA8ANmRbAjo=' 
WHERE 
  key_id = '6ee06e154cce0b737630d6646817e217e5479764af624713d233a7c29d57b38a' 
  AND (
    token = 'nw/eXMfFZN+9ul0r9Y+lMcBA7voONbSGxA8ANmRbAjo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )