UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'eRXbkV9hKEm0G5fsVL6KLwaFF0R5hKieIVTMvOHog4M=' 
WHERE 
  key_id = '66b8f86303952f99cdb823eb019e84996662aa700036914dfbdf88e3b023e611' 
  AND (
    token = 'eRXbkV9hKEm0G5fsVL6KLwaFF0R5hKieIVTMvOHog4M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )