UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'wDwc43qp0hfW7CxHRR3X5g3vNgjezqmikMHuLKWhXLg=' 
WHERE 
  key_id = '602982c2057ce4024e1622a850184d80461f33e805bf67078a47dd8b939f6863' 
  AND (
    token = 'wDwc43qp0hfW7CxHRR3X5g3vNgjezqmikMHuLKWhXLg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )