UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mExXrDCRmLapyqb18tf1/l+Na8TmNpb7HGKKX85oS0Y=' 
WHERE 
  key_id = 'f2cf4b0e74e4a361741fe5f69c318fe7a2d9d39889a86ce5101712d3f5e2f8a7' 
  AND (
    token = 'mExXrDCRmLapyqb18tf1/l+Na8TmNpb7HGKKX85oS0Y=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )