UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mg2dBKurJXtzCHrFxmV2NMWWbBPm3ng5QomYGA/fL1E=' 
WHERE 
  key_id = '87b5496ce344adb5abce61793055c866f7bcd5a4baf8ffd751886b46d9830148' 
  AND (
    token = 'mg2dBKurJXtzCHrFxmV2NMWWbBPm3ng5QomYGA/fL1E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )