UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'myYPYagoL+GXzDbsDF6bkpH3uDq+i8MsQ8Y0PG5yx9k=' 
WHERE 
  key_id = '3868fb0970a6be570bba997353db5797dc89af7c2ddbc2cce32db5b34d8d4711' 
  AND (
    token = 'myYPYagoL+GXzDbsDF6bkpH3uDq+i8MsQ8Y0PG5yx9k=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )