UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z3Q1amB9sCKBMHLj6MfeGUoYLLbS0oeNPBh+LFdF7ck=' 
WHERE 
  key_id = '6e3779f3abe834819f12b2a735c595edd931247c7900fd7f86bc9e91b88c191b' 
  AND (
    token = 'z3Q1amB9sCKBMHLj6MfeGUoYLLbS0oeNPBh+LFdF7ck=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )