UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+yuE9v+izfaNbwTahluDfzTQAv/cfhEPTSHbgDPDRPY=' 
WHERE 
  key_id = '7451fbf62653e9eb763607775f2071edd105900a4869ffa1720b08573d9a5764' 
  AND (
    token = '+yuE9v+izfaNbwTahluDfzTQAv/cfhEPTSHbgDPDRPY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )