UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'U7m9vqvf3blD3o6qIOTDf2RTsOWcJyLcm9tUPUJJGwQ=' 
WHERE 
  key_id = '54982a81545ec04afcd95928f11c78c231330fa26632187e367fe7ebbbd31d02' 
  AND (
    token = 'U7m9vqvf3blD3o6qIOTDf2RTsOWcJyLcm9tUPUJJGwQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )