UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'KqRKc5OU9iH74H8xm+fAGZqPd+brI3SRKVWAmCrw3F4=' 
WHERE 
  key_id = '931fe4979d93280ef9d629ca501187f936fcd8829669658037187cc0413c3571' 
  AND (
    token = 'KqRKc5OU9iH74H8xm+fAGZqPd+brI3SRKVWAmCrw3F4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )