UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uWEztVZ5pjUWH/MXT9u9vk16tGVW3ZUEqCJkIXATUM4=' 
WHERE 
  key_id = '4d3bdf31bd91e709256466f77045f7292a034f1489fb4a9b53c2975c6c61f943' 
  AND (
    token = 'uWEztVZ5pjUWH/MXT9u9vk16tGVW3ZUEqCJkIXATUM4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )