UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VkUJj67QzGAh+JRoqEyJ4//3VJUyMbT0xn6kR2a9e5c=' 
WHERE 
  key_id = 'b479c537841ba9f38b912e8842956928c8243e58c1b672e1988660e4398b0db2' 
  AND (
    token = 'VkUJj67QzGAh+JRoqEyJ4//3VJUyMbT0xn6kR2a9e5c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )