UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Z6AaMvnl1m2nppCy3nlEmEGhB//NCVqcdrKJXlYmpVo=' 
WHERE 
  key_id = '99a4d45be9e64b38cf42ff1d8fe28f73e0ea97335f945247cb2d29551767f6cd' 
  AND (
    token = 'Z6AaMvnl1m2nppCy3nlEmEGhB//NCVqcdrKJXlYmpVo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )