UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MafBDXZWF/o4YzeJmB4ExKI9e/f/1RNcd/NaydbyktE=' 
WHERE 
  key_id = '4c90b07a0d61dbd817d63b866c61fcb65e62eeaf4c38eb5cc920c248fe9519bb' 
  AND (
    token = 'MafBDXZWF/o4YzeJmB4ExKI9e/f/1RNcd/NaydbyktE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )