UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6BTFqBVuLL7BRgFPrXt6pBb0FHFwQr5isNEMIWdjoqY=' 
WHERE 
  key_id = 'b3947b15ccdd6da253b3df1636aeb07ec2c1ded0598cfa592b73655d453c0d95' 
  AND (
    token = '6BTFqBVuLL7BRgFPrXt6pBb0FHFwQr5isNEMIWdjoqY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )