UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BfJrnIEDmmVdmJDOKC0rlM0h1WMKFBokYYCY/lNkRxs=' 
WHERE 
  key_id = '21cd635694a7aa3e4a2fd9db36d7b37f62e70204dfeb789f84bcd5a6a85a9fc1' 
  AND (
    token = 'BfJrnIEDmmVdmJDOKC0rlM0h1WMKFBokYYCY/lNkRxs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )