UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NXRls0r2+/3XCEidUF/3fJhH0a8IwXLT4QLcBm58EEg=' 
WHERE 
  key_id = '50e2f006258f453d4318886783e47ec53d80d66f38a6dc58a957d94a5fccdb2f' 
  AND (
    token = 'NXRls0r2+/3XCEidUF/3fJhH0a8IwXLT4QLcBm58EEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )