UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n8+c8y3Cr/ptMU+bYWD1ohBcyTIbGXCjIomQFAidc20=' 
WHERE 
  key_id = 'a8e121500b9092b2b7a0a563f9caf1946791152e1aa04702a8e47b4c5c3a3618' 
  AND (
    token = 'n8+c8y3Cr/ptMU+bYWD1ohBcyTIbGXCjIomQFAidc20=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )