UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'z3FypFBFUf/8UTff1utfA7HrbF3DGgDHRyww3epUZ2A=' 
WHERE 
  key_id = '42699ff51c829d26f75c2bf5560f5bd4e3541daa7d8b349bd17b327daa2f850b' 
  AND (
    token = 'z3FypFBFUf/8UTff1utfA7HrbF3DGgDHRyww3epUZ2A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )