UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'yBrlPTNNdcv2Dzwcho0ybng96Rg5YFeaNSVxwQdqOFw=' 
WHERE 
  key_id = '8bdb2509cdb50309f14ab504f34c0da362e1aed200e178140fc733850d1de95c' 
  AND (
    token = 'yBrlPTNNdcv2Dzwcho0ybng96Rg5YFeaNSVxwQdqOFw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )