UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'M7Z/8IWVMOG6MGl9hgKGoua10iU3OLLbY3UpGXf8lYU=' 
WHERE 
  key_id = '835fe29830443dde483afef0bc25137d48dd8933b4cc9bc842834cace4a72e08' 
  AND (
    token = 'M7Z/8IWVMOG6MGl9hgKGoua10iU3OLLbY3UpGXf8lYU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )