UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GR8eYbV+prMz2RFXHoRCE5QU+wxWPBdvNSFOI5C+QjY=' 
WHERE 
  key_id = '6858ea9cf41f78cc9bffd41ca47dd57d87cd7a877cafcf5e049a39a39974e343' 
  AND (
    token = 'GR8eYbV+prMz2RFXHoRCE5QU+wxWPBdvNSFOI5C+QjY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )