UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kuaS6P68sJUDvD/7c1g5rvPWbdZrsW1Z09jRDPrcrAo=' 
WHERE 
  key_id = '646484aa0f8f8d212711fb41137de2e5ecae0e7b13d67805cc48acb0871ce3c2' 
  AND (
    token = 'kuaS6P68sJUDvD/7c1g5rvPWbdZrsW1Z09jRDPrcrAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )