UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7p6NAr00OfFDiLgMU6rsUrUK5Ua9ohZKIa6gc3BOH14=' 
WHERE 
  key_id = '999bef75cd1884dc0d3fa5ba6aaa1a99615c6d842da17e61a2da4143e426fc64' 
  AND (
    token = '7p6NAr00OfFDiLgMU6rsUrUK5Ua9ohZKIa6gc3BOH14=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )