UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E1fbMQ2Nar/Jwu0lfSVxPW9g3F5S0ieXsc7TFxQ4/G0=' 
WHERE 
  key_id = '2b1c819e3141b46c471261e476b5640a55dc0e1d93bced3d2715d0b04a54266d' 
  AND (
    token = 'E1fbMQ2Nar/Jwu0lfSVxPW9g3F5S0ieXsc7TFxQ4/G0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )