UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'r1djk4dnsuW2NvvR42LejYY23JLsrOjyQBnazj/wPp4=' 
WHERE 
  key_id = '6e2b7a9f65d25b953416c5bf2c8fd20f1aadee3e88657461e939f5913480db0f' 
  AND (
    token = 'r1djk4dnsuW2NvvR42LejYY23JLsrOjyQBnazj/wPp4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )