UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eZg3pS3ye//qpsgK+AJlC9ktjw4AC3K28E7EANPy2J4=' 
WHERE 
  key_id = '982f159a28afbd76e69a066e6775910eef4e139023dd7154ec681f732e414d25' 
  AND (
    token = 'eZg3pS3ye//qpsgK+AJlC9ktjw4AC3K28E7EANPy2J4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )