UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uLZd8lb3cR35rIHnMicGWPXgaNC9OSKoNRGXvYpeCqY=' 
WHERE 
  key_id = '68b7f62437f69faf998a022c726167ecf3192176478d127ab423d1994dfe893c' 
  AND (
    token = 'uLZd8lb3cR35rIHnMicGWPXgaNC9OSKoNRGXvYpeCqY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )