UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MPfka6BGr4wDTyvbsv0THmMxiBMkyNiX0TI6nXmxoGw=' 
WHERE 
  key_id = '4783a92d3db8514b7d9083a5690a0cd93352781669d6e9f24da028c3325768d0' 
  AND (
    token = 'MPfka6BGr4wDTyvbsv0THmMxiBMkyNiX0TI6nXmxoGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )