UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VXYQXXGP7WzXBGV+w4D8lJNO8y1B6iWzeM0bDvohXi0=' 
WHERE 
  key_id = '786834075bd43e8c5071c4dd53093c599bca3054023a13683dc48172362e2246' 
  AND (
    token = 'VXYQXXGP7WzXBGV+w4D8lJNO8y1B6iWzeM0bDvohXi0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )