UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UhHutFMhbfqS3dzcvgmRiT2MeAUVBY3iBZAwtXUy27I=' 
WHERE 
  key_id = '42b2b865dc288f22b143b9e83e7af8f3102f9f351d99e74207c3c735ac69151b' 
  AND (
    token = 'UhHutFMhbfqS3dzcvgmRiT2MeAUVBY3iBZAwtXUy27I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )