UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pUYaWybYH8FQgKt4qyE1iMgL9rQt455BISWMWy0izdo=' 
WHERE 
  key_id = 'a6bb1bb16b359492f97f7ec3b42a34b1111971fa7532e54fbe265e7848909b1e' 
  AND (
    token = 'pUYaWybYH8FQgKt4qyE1iMgL9rQt455BISWMWy0izdo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )