UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SL3tT+qMln1sISguSOfyiv8lPEzouKLG4SkPpRrODCo=' 
WHERE 
  key_id = 'e18f4a7f412c273876bc77aecb939717c31561fc585e381872077160d114ed28' 
  AND (
    token = 'SL3tT+qMln1sISguSOfyiv8lPEzouKLG4SkPpRrODCo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )