UPDATE 
  vi_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4DzAhEEd0hWnLOUccuXc/A4CU8e0HH4EqVecpCOioAg=' 
WHERE 
  key_id = '74c40e63f90e57aecd13fe6683ed6d1b8f007b663a7b0af5c73d7711796ca284' 
  AND (
    token = '4DzAhEEd0hWnLOUccuXc/A4CU8e0HH4EqVecpCOioAg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )