UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rRa9ZOOmsAJ5+eJt1mCGhyJ8owfljlQMRnwpf91MaQU=' 
WHERE 
  key_id = '76a3e56c98f60f5801bbfc474f1c9455a1a0002b9f4aaef21a57d194f95feb44' 
  AND (
    token = 'rRa9ZOOmsAJ5+eJt1mCGhyJ8owfljlQMRnwpf91MaQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )