UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'R0R8U4WWfByTX2P/LDzc+K1I/QbX7fKBWPY7ju+73To=' 
WHERE 
  key_id = 'fa30a7ac06331023a566bb4ede6a8d2d0c5a8a286f11c6c63a8e525ce2e8a6c5' 
  AND (
    token = 'R0R8U4WWfByTX2P/LDzc+K1I/QbX7fKBWPY7ju+73To=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )