UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RtHHwytwuIBuY4EGvfaKcB21ukxvQeCPEiv/Xan4ED4=' 
WHERE 
  key_id = '923fc3b624dbf2bc11b15c56f564485ff11965df7adc03b94538247ed14898ea' 
  AND (
    token = 'RtHHwytwuIBuY4EGvfaKcB21ukxvQeCPEiv/Xan4ED4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )