UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tYjxp5p4jaPOQEhaGCQst06LVfpXHc8fiOAxfO+DOz0=' 
WHERE 
  key_id = '50778dbc0d413e95c0b32ed14320a93b308cde51b1858ed224971cd656e13a45' 
  AND (
    token = 'tYjxp5p4jaPOQEhaGCQst06LVfpXHc8fiOAxfO+DOz0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )