UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 't2ExSBjbTu+SJZAe1t0oJkX8B4uLh2APz6WQCn7gf4A=' 
WHERE 
  key_id = '55d414f2c0fb0365ce8df7c5743d8f398f424dcf30ce42c97077545c2cfefabb' 
  AND (
    token = 't2ExSBjbTu+SJZAe1t0oJkX8B4uLh2APz6WQCn7gf4A=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )