UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UTs3BRIUDwlZRCA63OI21Q65ZjHCXjkNaJNbjLahj38=' 
WHERE 
  key_id = '0e276d2afecbed93279b3b96977e9c7943a31541ea590ce15780ebeb5829be71' 
  AND (
    token = 'UTs3BRIUDwlZRCA63OI21Q65ZjHCXjkNaJNbjLahj38=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )