UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eU9TMWG0oW+9QYRltiwxYX2DrdbssbEjBA9pKY3Iyk0=' 
WHERE 
  key_id = '3af8792bb855743cf61bd3f019b86cae75ce277a5690fcf4c33c31fa13901c27' 
  AND (
    token = 'eU9TMWG0oW+9QYRltiwxYX2DrdbssbEjBA9pKY3Iyk0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )