UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+lPpnP5V/jsGHYgGGPjBYD4QHTPMNOMG6/UekwmY4fw=' 
WHERE 
  key_id = 'dcdc482318b7b618411cc0b59abb742c141e3024b036da4306ced925468bac8f' 
  AND (
    token = '+lPpnP5V/jsGHYgGGPjBYD4QHTPMNOMG6/UekwmY4fw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )