UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eLnmUMKw/Y2Y+7PJvybq5BYkjwoyvx9wQwR/nReQPQk=' 
WHERE 
  key_id = '816841c2ce341e6bb2fa341fff2015728b43d05ea37a0176b594332670b7f020' 
  AND (
    token = 'eLnmUMKw/Y2Y+7PJvybq5BYkjwoyvx9wQwR/nReQPQk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )