UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '19kouh6IjBgEcQMCRO8wSeCj0LMVeIuDedWEPUkYwVo=' 
WHERE 
  key_id = '1d19334f5ace935be9d2753fff0426c9634c84520f21769d1b5d77a64d9f59bc' 
  AND (
    token = '19kouh6IjBgEcQMCRO8wSeCj0LMVeIuDedWEPUkYwVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )