UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'aV7ClWTyzgSfl7jKZzI23jIrGKAtVLLX/4igYlzYIcc=' 
WHERE 
  key_id = 'a2c3e8e62516e5ed5645349aa9a9ddce416aa8e0d446548ef0c250bbdee72a28' 
  AND (
    token = 'aV7ClWTyzgSfl7jKZzI23jIrGKAtVLLX/4igYlzYIcc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )