UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '3G/rvy4SgSjpBUOEj5EZOhE5r1yT9QNwKTm5F0FNB2E=' 
WHERE 
  key_id = '94bf8d4ae2b1e315d69256e51a401ab028aa6ca61ac45d88ac569acbeca39788' 
  AND (
    token = '3G/rvy4SgSjpBUOEj5EZOhE5r1yT9QNwKTm5F0FNB2E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )