UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VPCQWs19s4CoarPwIp1OFTFJlxTnKHgb3xkx5qn/OIU=' 
WHERE 
  key_id = '1b3c9dbf56114d983c01a02c04e6fefa6e32bbda6fcc620a5cf8e7bb537b285b' 
  AND (
    token = 'VPCQWs19s4CoarPwIp1OFTFJlxTnKHgb3xkx5qn/OIU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )