UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uDwnr2mBeA5O4QqvSzrCxYS2nyHTSAqwptqOmFofzxY=' 
WHERE 
  key_id = '768d3767b297c5d50b6ec13905db5fe45c2a80483021e04ffdf4b887152ce03f' 
  AND (
    token = 'uDwnr2mBeA5O4QqvSzrCxYS2nyHTSAqwptqOmFofzxY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )