UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'rnzk5VgwGPobXSHCrHTHaGV6E/AnO3vk8eJ396ju7Zc=' 
WHERE 
  key_id = '156c15786fa2d6f0dfd903f6bbb16d46dbda30de8df08fb582b014e3dd982ee8' 
  AND (
    token = 'rnzk5VgwGPobXSHCrHTHaGV6E/AnO3vk8eJ396ju7Zc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )