UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zzBWew1/WRjvOTOtUWJlP93slozwiLaXjUbwqICvRNs=' 
WHERE 
  key_id = '97a3dbdcf54605027dd56e2c2d5478a3bb557a2334b4893c435184c09ff6a0b0' 
  AND (
    token = 'zzBWew1/WRjvOTOtUWJlP93slozwiLaXjUbwqICvRNs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )