UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '28vaL4/9LwfBLV88HS0Lw/34gI8ChG3eenKRMCUsPtg=' 
WHERE 
  key_id = 'cd243714b8d20a874364aa2cf6c82c5e13f5e88a544869d8d9dd5a3e2f0bd4ab' 
  AND (
    token = '28vaL4/9LwfBLV88HS0Lw/34gI8ChG3eenKRMCUsPtg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )