UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'c309VDDmF50LvsQ1uxBHPPFi5QnAVkaN8NK+jTTNUQ0=' 
WHERE 
  key_id = 'e0d15e195e7b0eb1a701f053eee6b0a4cf17241a2663c6b0497e2dd556e52c61' 
  AND (
    token = 'c309VDDmF50LvsQ1uxBHPPFi5QnAVkaN8NK+jTTNUQ0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )