UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MxA1lWFNV0si/IROFBmTVXwwETildOT7aGRuI+TNnM4=' 
WHERE 
  key_id = '81f9ecc7918b26fc4bfee5a55d1ca9b955b15ae386a06dfaa69421fd6375fd0c' 
  AND (
    token = 'MxA1lWFNV0si/IROFBmTVXwwETildOT7aGRuI+TNnM4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )