UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cNzZUYLqaCGIUF0JAOgrbUbULhtPlxwygVm6W3dVlro=' 
WHERE 
  key_id = '51cbbe2ed077df7fcadf00db6bead86db96e83d905aad5cb5feff42c345a9e8d' 
  AND (
    token = 'cNzZUYLqaCGIUF0JAOgrbUbULhtPlxwygVm6W3dVlro=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )