UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'lN8tV7uqVSvCbiNleu3rKUuWQz7L5mu8YUJz7/ErlBU=' 
WHERE 
  key_id = '89c91965845b805667bea25a7f525530dd1fe587296a580409353a74f5c8c3af' 
  AND (
    token = 'lN8tV7uqVSvCbiNleu3rKUuWQz7L5mu8YUJz7/ErlBU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )