UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R6UYKe/4fABKoa8IV9XeiLlyJEGIwaEgwTbgufuYgcM=' 
WHERE 
  key_id = '7bb16ec3661d0f14659f54306cd31c61053333767d4716ea9a02b1820794749b' 
  AND (
    token = 'R6UYKe/4fABKoa8IV9XeiLlyJEGIwaEgwTbgufuYgcM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )