UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RHBnMXHzBMMpHrOTpWvJ9jG/nvgeaYcbZtYTPzKWMNo=' 
WHERE 
  key_id = 'b4524d3d9c60458216d351592a19e8e01c9c4097f79eda47b8bdb1130f334428' 
  AND (
    token = 'RHBnMXHzBMMpHrOTpWvJ9jG/nvgeaYcbZtYTPzKWMNo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )