UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WltlElBidCM+6plD9phah+5b0L9omTA4t+RBM6oQ38U=' 
WHERE 
  key_id = '8c5a9eefc0777e478113142d1edd2d06b787688a255454d080a59d47a23a472d' 
  AND (
    token = 'WltlElBidCM+6plD9phah+5b0L9omTA4t+RBM6oQ38U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )