UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'd2+DeNAxoy5ncnHB18LexVUTLl+EYXXZgtUOH/YooUY=' 
WHERE 
  key_id = '81818980f9d3bb9009e1bf67e114c101a47c5390befb35950dd36dffa790a820' 
  AND (
    token = 'd2+DeNAxoy5ncnHB18LexVUTLl+EYXXZgtUOH/YooUY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )