UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'kK5buuJm5R/VbC8+rKZKG3k/Zc4hVbIEi2jla/URYaI=' 
WHERE 
  key_id = '1e4b1d1e9fe0b70f92134d9adc514d66b0d5238054917d0f8c8dbafe3be5aa9b' 
  AND (
    token = 'kK5buuJm5R/VbC8+rKZKG3k/Zc4hVbIEi2jla/URYaI=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )