UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yLWB0uVkmFcWOmDgeBcWGRMlzfq48Nm7jQTA4BRcI9A=' 
WHERE 
  key_id = '6e4c9668bd4411975b74d12f76b7d4096c97b912cfe8cbda87c8b838ff2e0ed2' 
  AND (
    token = 'yLWB0uVkmFcWOmDgeBcWGRMlzfq48Nm7jQTA4BRcI9A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )