UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xLa5WKYr9/tVafacRtQOo5nhyRgfNxFn50vI3TC9Snk=' 
WHERE 
  key_id = '420985e3b16d6ec4b9220c25e595c27b5c3fff449efa5360167f79fdd3330882' 
  AND (
    token = 'xLa5WKYr9/tVafacRtQOo5nhyRgfNxFn50vI3TC9Snk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )