UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WCJ0uVzkdIsEZIyg0ICMGNS90EzQaZulkJc1hXRRma8=' 
WHERE 
  key_id = '4be42c7193974c1a0038daf039ba926dc6019a828760a1c23543499cb5396379' 
  AND (
    token = 'WCJ0uVzkdIsEZIyg0ICMGNS90EzQaZulkJc1hXRRma8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )