UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gv44QnI6avxIS0lvobG/G+cpRjzeKTl3/zYCdl6g1Hw=' 
WHERE 
  key_id = '940b67c31e6d797977488ba3023af1f9310c029383fe892575d341d811d03b35' 
  AND (
    token = 'gv44QnI6avxIS0lvobG/G+cpRjzeKTl3/zYCdl6g1Hw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )