UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xg9nQW+p6Zq5DBnPsLex9zwep0RFXJbAKlsvyvBbo1w=' 
WHERE 
  key_id = '4bf79cba2fa12b02507cf3787ad77108659301782392909134aca33007efcb69' 
  AND (
    token = 'xg9nQW+p6Zq5DBnPsLex9zwep0RFXJbAKlsvyvBbo1w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )