UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'a/vQyhuPli9uV7kAHK1twBnTrsq52yMLDzBD1nawF+E=' 
WHERE 
  key_id = '4960ac9b882bb44906b01186d2776117c4b010e279c7f56537f426b9a5df635f' 
  AND (
    token = 'a/vQyhuPli9uV7kAHK1twBnTrsq52yMLDzBD1nawF+E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )