UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RnNk7pnIGtLGaDNwNR5I2fkqdYolgUpTGimTejCPcVc=' 
WHERE 
  key_id = '27d70a1a2247720676c5502e6145c594b969515e587c890a853f4979778451c5' 
  AND (
    token = 'RnNk7pnIGtLGaDNwNR5I2fkqdYolgUpTGimTejCPcVc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )