UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b1euTm96/HjzWRIqWftglrsDDkYrxnLkVRbPCQPq76w=' 
WHERE 
  key_id = '7787cdcc0375e150976d7c03557033e36fb803d975c67d6f6136653cb724705e' 
  AND (
    token = 'b1euTm96/HjzWRIqWftglrsDDkYrxnLkVRbPCQPq76w=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )