UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n3ushPU/O2H1o8lKfjtdBxTILjX3zAHvnHDLWTuDZEQ=' 
WHERE 
  key_id = '2831d720af1086689d913ed6d77d4b2455e38c3249a2a2159eb87c0015c4cdc1' 
  AND (
    token = 'n3ushPU/O2H1o8lKfjtdBxTILjX3zAHvnHDLWTuDZEQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )