UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zKXSnQhdKi69ADWNIjEHznGws+YEKNBi8Io8ieXkmt0=' 
WHERE 
  key_id = 'a00b239697f2a0300f48bb6de8456f6b57cbefd988b653b1c78902e3936da485' 
  AND (
    token = 'zKXSnQhdKi69ADWNIjEHznGws+YEKNBi8Io8ieXkmt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )