UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nB7p0ETGig6AtqsQN8z5DRUijog24qnUQHCCMrtvn70=' 
WHERE 
  key_id = '83eac3f0c8961c26942c339a301780b938199b416fcdb0250b92a4687c01283d' 
  AND (
    token = 'nB7p0ETGig6AtqsQN8z5DRUijog24qnUQHCCMrtvn70=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )