UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DkGMBfzElDeXENfVZL6XeiCMSYunSmzLLbFmJaCKXvk=' 
WHERE 
  key_id = '2a3acf359b39c6d94b5be4131d3d48717de25afacad76d3926cee21d776f383d' 
  AND (
    token = 'DkGMBfzElDeXENfVZL6XeiCMSYunSmzLLbFmJaCKXvk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )