UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WMvmqjJASf0VpcHJo96t6XTqcGtb/q3n7g82JqpG7VI=' 
WHERE 
  key_id = '910845ce68ba93358b95cd22f3c0b3c8322288f232b61c29baa017615e0d494c' 
  AND (
    token = 'WMvmqjJASf0VpcHJo96t6XTqcGtb/q3n7g82JqpG7VI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )