UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'oUmt/0L99O6qqx3QU8P6bfQDpv46N5Ojc1O8dV9dWVk=' 
WHERE 
  key_id = '8ff784602f4c1fe4d3fc9e585578e50e4bbae69a10752f01af9353101777375d' 
  AND (
    token = 'oUmt/0L99O6qqx3QU8P6bfQDpv46N5Ojc1O8dV9dWVk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )