UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KcfEOJQQNv3kQWXHtlza4u4/DUZ7S0YQkil9neBWWC0=' 
WHERE 
  key_id = '84e6fb9d39716194ef376ba5377353e9224c13b19f13e16d839ffef7f321e3a7' 
  AND (
    token = 'KcfEOJQQNv3kQWXHtlza4u4/DUZ7S0YQkil9neBWWC0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )