UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VxdURSbKOM2ARfU7uvkl2PABhb6oMz8jlXgCsCXXkrg=' 
WHERE 
  key_id = '300d603f8854bf53aa79a59ceab47a623341ecb139ba3e3dcfdc04f45f51f3df' 
  AND (
    token = 'VxdURSbKOM2ARfU7uvkl2PABhb6oMz8jlXgCsCXXkrg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )