UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iN2ZjWEjBkivhHYlYG6dSRXWSqweWduSDMSkwQDPeMY=' 
WHERE 
  key_id = '975060ef24cabbec61cf2ad321dd21cfd234adaba2b02b193555a919ff4ccba5' 
  AND (
    token = 'iN2ZjWEjBkivhHYlYG6dSRXWSqweWduSDMSkwQDPeMY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )