UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nl59RH8w2YOwHuf4yM99mHFLrG2KUwFBxPdy84QoLJw=' 
WHERE 
  key_id = '56da7538cd157debde39eec2b5fe4039969a273d1ed21c0a402dc2f07415bb93' 
  AND (
    token = 'nl59RH8w2YOwHuf4yM99mHFLrG2KUwFBxPdy84QoLJw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )