UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mYn34PsXA20gH95nDVszvtCZ4lCjDihjFDyxxYmQLjc=' 
WHERE 
  key_id = '4c6195f6250b9546fdfd7222e12915ce620c732fecf7ff99f264d3963d1e5922' 
  AND (
    token = 'mYn34PsXA20gH95nDVszvtCZ4lCjDihjFDyxxYmQLjc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )