UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Mjjn5Tqc3V4ZmQvsV0hw0pofeQJEGFN5E895+NBLBm0=' 
WHERE 
  key_id = '79a811d43cec44f16001fab86f3e65dd9e7568413a352a605c1c37d58f3d044e' 
  AND (
    token = 'Mjjn5Tqc3V4ZmQvsV0hw0pofeQJEGFN5E895+NBLBm0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )