UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zuzuo4ECrq1F69RMqy0nS3V4BNtuOcF2r/6xp/wakko=' 
WHERE 
  key_id = '51d65917f5021b262aac403c756e96758045194d4a16a645ace4624cb05dcf29' 
  AND (
    token = 'zuzuo4ECrq1F69RMqy0nS3V4BNtuOcF2r/6xp/wakko=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )