UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Hoi+2tE8rPwTU/9PCYoPzpXyaTbEqUZaMszeqYVKFYM=' 
WHERE 
  key_id = '81539136e7bb8bcd7e3ef16783ff13ee00a20926ce1c29bb8512c3d5989b3a4a' 
  AND (
    token = 'Hoi+2tE8rPwTU/9PCYoPzpXyaTbEqUZaMszeqYVKFYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )