UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Bxm9sy+BLrzYqXBmWJxmA/CPjB53h6OfEXpLawEgQeI=' 
WHERE 
  key_id = '6db5af86e4137e536db6c3ec97832a6beec769072779de8aac7d0b2bc9e2a22f' 
  AND (
    token = 'Bxm9sy+BLrzYqXBmWJxmA/CPjB53h6OfEXpLawEgQeI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )