UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Lld9kljleFrHCS3i56FoWexKPPZYHE/uhDBgSTyokac=' 
WHERE 
  key_id = '1831b6b8d0c70ee353efcbc97cc4b3a633fc54f55e015a9d622cff9632b863d5' 
  AND (
    token = 'Lld9kljleFrHCS3i56FoWexKPPZYHE/uhDBgSTyokac=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )