UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Zs2Xw3kELaTVlhWcvuxaxMLSdvph971faoptokybVxc=' 
WHERE 
  key_id = '502bfe158d4f6b2b665e6aa6894677e872f0fdc8c44ec073af068a17a907016e' 
  AND (
    token = 'Zs2Xw3kELaTVlhWcvuxaxMLSdvph971faoptokybVxc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )