UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P6SW7XmD95U8f37+qyeeHy7oxuc/uNZUOWwwJxYP5ek=' 
WHERE 
  key_id = '8cd6c7a66e131d7680fe4e5285354e09977f5bebfd35f3c1f98ba8d7aa0ae1c9' 
  AND (
    token = 'P6SW7XmD95U8f37+qyeeHy7oxuc/uNZUOWwwJxYP5ek=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )