UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U6q7Z/vOP9brs5O0tYUTZNEf+0nXJ2RkafATEu0ESQU=' 
WHERE 
  key_id = '37c5193459b31bf512aa952c7f1dc2c53d1ea700890413b8b612267d5192f461' 
  AND (
    token = 'U6q7Z/vOP9brs5O0tYUTZNEf+0nXJ2RkafATEu0ESQU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )