UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/LAU57sZRqCNRkj2AzsDHddSYtkWgcvPUHAf/dRmJOo=' 
WHERE 
  key_id = 'a45ae98e21928489ce9b28865ce6602267d9330878b263330c68cac3d5fa4c39' 
  AND (
    token = '/LAU57sZRqCNRkj2AzsDHddSYtkWgcvPUHAf/dRmJOo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )