UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'e2ileQfEYuAMf95wsApSZ8bEFg9O9ytlpJXvKLqQsLM=' 
WHERE 
  key_id = '51def3e9fb332c2829c1b1c11f6a721c4a11d6fe5d071879e98b57ba9136fd30' 
  AND (
    token = 'e2ileQfEYuAMf95wsApSZ8bEFg9O9ytlpJXvKLqQsLM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )