UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'grdqd4DxzsKzEuy7Wpc2A94m5oYXHG36mi6/gkP/8WU=' 
WHERE 
  key_id = '7c629e4e4d568df69eebad50af83587341ff058303ba794e5d4506635b9efbd2' 
  AND (
    token = 'grdqd4DxzsKzEuy7Wpc2A94m5oYXHG36mi6/gkP/8WU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )