UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '8dmt7Zr5abc+vtNPiUmxbJls73UKKG5gNdeiQJw86cY=' 
WHERE 
  key_id = '821c3567d845f244adc3e35b14ca7898b69f3a50e11c0dd55c20764d35cc4b54' 
  AND (
    token = '8dmt7Zr5abc+vtNPiUmxbJls73UKKG5gNdeiQJw86cY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )