UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'WU6zqxwn9I0Tlg4td08opjq4k7jqggb1ATB29D5G5tc=' 
WHERE 
  key_id = '42f4313d94d0872d5ec1decf01a81b5e11d0a783d6b8f5e0dcec3b83d0bdb26f' 
  AND (
    token = 'WU6zqxwn9I0Tlg4td08opjq4k7jqggb1ATB29D5G5tc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )