UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r8h7ml3dgTtwkENXmg2fWO2uH8VrcSeE+LwL9sRgy1U=' 
WHERE 
  key_id = '68a04c4f7bfc0b1c9e9701027c7c3e9a8bbb7f609614b3589b3fc2a41b1ef4cc' 
  AND (
    token = 'r8h7ml3dgTtwkENXmg2fWO2uH8VrcSeE+LwL9sRgy1U=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )