UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'GEM+Lb7FErmJ7eSVHNYq/hjqekcWpJRWqA3l2E7Ihus=' 
WHERE 
  key_id = '4a93bcec0e1e4a38e2ac9cef91c981cdc1fdea67f2830278e681553285b489f2' 
  AND (
    token = 'GEM+Lb7FErmJ7eSVHNYq/hjqekcWpJRWqA3l2E7Ihus=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )