UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iK6NxFSoSZ691OxTK49kyrh4L/SkFhRGwi6iVuGfvpg=' 
WHERE 
  key_id = '1b51714624d51d6e81e86e48441165735e7f1344d711b3c1fbb68ca64c4802ec' 
  AND (
    token = 'iK6NxFSoSZ691OxTK49kyrh4L/SkFhRGwi6iVuGfvpg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )