UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PcRiVwou8WHhsSPWROSu21MQuFX7njYoDCy2ksdNhLE=' 
WHERE 
  key_id = 'a5d4386ea231122e75e7e3704840a6d1271ca22ccfef967e726a8474d44b9b01' 
  AND (
    token = 'PcRiVwou8WHhsSPWROSu21MQuFX7njYoDCy2ksdNhLE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )