UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'CvDYlWMy21lHdmAYf7KI3MElOWRLy3lFvN+LeqSdpCo=' 
WHERE 
  key_id = '2f9bc08cb4211c502dcfc505d56071e46084348e7d2dce705dfc6ca237da1691' 
  AND (
    token = 'CvDYlWMy21lHdmAYf7KI3MElOWRLy3lFvN+LeqSdpCo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )