UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '5uhMQdTw/p2AVwqrgKXanK6FPqUka85xULaJli+ghVQ=' 
WHERE 
  key_id = 'a65ffd5ef7190ed087280a7e3e155e9a1c7bd9ffe246dd80d1a65c33e9bc241c' 
  AND (
    token = '5uhMQdTw/p2AVwqrgKXanK6FPqUka85xULaJli+ghVQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )