UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E4t4Ot4YOoJYMUDCoHgqUmx4ZJB8t54cqemMRiijtu0=' 
WHERE 
  key_id = '51b2b6328a61f5377f7b10acd67d341a2e0c492b64259be72dd5d9c768aa2e35' 
  AND (
    token = 'E4t4Ot4YOoJYMUDCoHgqUmx4ZJB8t54cqemMRiijtu0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )