UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rr1+k3TEh6sKCaqP36tHJLqmQddDumWsRrfP7ASyVsI=' 
WHERE 
  key_id = '8b73965acce77946b085adc7e6508feb8d17c6a9ca6acf289ab3ca2fc33f912d' 
  AND (
    token = 'Rr1+k3TEh6sKCaqP36tHJLqmQddDumWsRrfP7ASyVsI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )