UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'L5kXHm1Atx8/yjp6swXFyihNqLnGmLLGEMONWyvytEI=' 
WHERE 
  key_id = '3948bedf465260ab028e218211137e5c660dc809a5499ed57f2a7c5f0a0f7ccb' 
  AND (
    token = 'L5kXHm1Atx8/yjp6swXFyihNqLnGmLLGEMONWyvytEI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )