UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SAEcmey43i43laHgbh2I2r+FddOLtuyrT+fzqPteni0=' 
WHERE 
  key_id = '21c6ebfe023941c9f4555a827ef85631d01e663536b6fe696ba15e14b6658e15' 
  AND (
    token = 'SAEcmey43i43laHgbh2I2r+FddOLtuyrT+fzqPteni0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )