UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'uERGEO1hWodDG1uwn95nLmiwuRMRYNTzEJFqryUz9fs=' 
WHERE 
  key_id = '3f17652e2c96f396346edc007566f799b5005a883c8f0b89069cd289104be5ce' 
  AND (
    token = 'uERGEO1hWodDG1uwn95nLmiwuRMRYNTzEJFqryUz9fs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )