UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Me/jz2IdkGyIdGdy5bL8iaBdmUQWsbTEyCRxl68MwGw=' 
WHERE 
  key_id = '874b8d398cdaa3bf46419b84eb99dc6567fe278dea2d807de95976923229c81d' 
  AND (
    token = 'Me/jz2IdkGyIdGdy5bL8iaBdmUQWsbTEyCRxl68MwGw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )