UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K8jM5BVdZPErmbaUdaUZe48+VCib7iqTfqmn+StWfEo=' 
WHERE 
  key_id = '6d3fda4c912e6a1aa2d2ac63e6f8dbc2ffe787876a8eb8ff1ce373bb1bd050f0' 
  AND (
    token = 'K8jM5BVdZPErmbaUdaUZe48+VCib7iqTfqmn+StWfEo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )