UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VDpg5bM121mUAeeHw/l4y+tiU+QNiqfRo6sGawygDQk=' 
WHERE 
  key_id = '6caa99fe5b2f68d99f552f5360b0cba1720c11dc69bc980977a01d822baf85d7' 
  AND (
    token = 'VDpg5bM121mUAeeHw/l4y+tiU+QNiqfRo6sGawygDQk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )