UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't+Vfja2sFcf9ybOt7VR+SFuGBtWdr4KZZWaAm2J3qJc=' 
WHERE 
  key_id = '8df829fbc865b0b00c1d226f29fc23a61f7759a4b55d46e5508c0900f7517ee1' 
  AND (
    token = 't+Vfja2sFcf9ybOt7VR+SFuGBtWdr4KZZWaAm2J3qJc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )