UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kUWzSXGbCEHgwyQJX9GjDS0z/twAm4NhZ7po1urwhxs=' 
WHERE 
  key_id = '51c23cf6bd1d8b79cb35f22190b0f696c3198f87c682de0be20de1bd3f7bbc9b' 
  AND (
    token = 'kUWzSXGbCEHgwyQJX9GjDS0z/twAm4NhZ7po1urwhxs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )