UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NErKWmsQVzgej1kGAscSYSjjKaN0r5UbbzCEGhYXdEg=' 
WHERE 
  key_id = 'c50340c7c7cd43367a713654d6f04c515a006b17fa138839f885caa05574e5f6' 
  AND (
    token = 'NErKWmsQVzgej1kGAscSYSjjKaN0r5UbbzCEGhYXdEg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )