UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'xmXSNwKzuC2NAwkoKe39ZsSjEoATGF7CYi43ytTp1Qk=' 
WHERE 
  key_id = '8fffe2b6e7620dfe2052e4a266720b8e5c3435dbc8621ab8da1c83185ab8bd3d' 
  AND (
    token = 'xmXSNwKzuC2NAwkoKe39ZsSjEoATGF7CYi43ytTp1Qk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )