UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '/3EyryTCbEThLFZfZ6saykX0ifExbzl6vlikiW2BNFE=' 
WHERE 
  key_id = '44514f43ede33448a27681746b4f597401b94d4a253032001e70fb472a74ab77' 
  AND (
    token = '/3EyryTCbEThLFZfZ6saykX0ifExbzl6vlikiW2BNFE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )