UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'BI76Il4NW48L+A9PD9SqZLBCI7wDhmrZFkFRNtmZ0ho=' 
WHERE 
  key_id = 'b4a20a76cd63141fe686a48ce72020873ed896ffc09485d123f2a22eddf68ac8' 
  AND (
    token = 'BI76Il4NW48L+A9PD9SqZLBCI7wDhmrZFkFRNtmZ0ho=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )