UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UAuKhwTWgooSqqXXrggzF98gctgnz2SMvLst7BeQSks=' 
WHERE 
  key_id = 'e2d2c82ae1ffb86b863e5c1e490f3144e9f0cccd99728c5113c179fc23ef34ce' 
  AND (
    token = 'UAuKhwTWgooSqqXXrggzF98gctgnz2SMvLst7BeQSks=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )