UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N7Gnhjtx1o6TaC5fmWOphDODNsxu78/iY69fMeTPoj0=' 
WHERE 
  key_id = '75ad51be5391f77d27628552ca1faa3126b74930d0dfb7714e6946dd3af6b98f' 
  AND (
    token = 'N7Gnhjtx1o6TaC5fmWOphDODNsxu78/iY69fMeTPoj0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )