UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BZtWiE/ivfsn1DXFU/eA22bTnIAG0FTrAcN3FnwgAyo=' 
WHERE 
  key_id = 'b5159a6597a1a24c4899610547cbe94375143abb07b895d7b584460f53676e97' 
  AND (
    token = 'BZtWiE/ivfsn1DXFU/eA22bTnIAG0FTrAcN3FnwgAyo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )