UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U2XWYqqWSdMFNPF/putG2PfLizdBBx/s78AojByJgD0=' 
WHERE 
  key_id = '16c521020c31da2cc091c06d57763d3de39d8013afeecac10554ffb44a107912' 
  AND (
    token = 'U2XWYqqWSdMFNPF/putG2PfLizdBBx/s78AojByJgD0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )