UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'QOHwNxuLx/yGRjSpCdJT7tE0ZDX8yCjvuDp/CfdNptM=' 
WHERE 
  key_id = '6eb21881c89d673546c2fded1d9897924464aa9527c5fe17b3fcc8df2fce5431' 
  AND (
    token = 'QOHwNxuLx/yGRjSpCdJT7tE0ZDX8yCjvuDp/CfdNptM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )