UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aJ+6tQEJ71tYgg7X6+aREWOcDIdC8yajFDaCp2WWUzY=' 
WHERE 
  key_id = '520541909038f723c411c5c7d31da51d5c8c44486b563539f5e35e6971c99818' 
  AND (
    token = 'aJ+6tQEJ71tYgg7X6+aREWOcDIdC8yajFDaCp2WWUzY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )