UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SVwGd3xXa6oIEnxQXpMS7UH41m5ycwKidYtuQJVPBTc=' 
WHERE 
  key_id = '547a8026482da819eaa18735a7a573bbe49547c48abf787e903321599a48fa5f' 
  AND (
    token = 'SVwGd3xXa6oIEnxQXpMS7UH41m5ycwKidYtuQJVPBTc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )