UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'SHtNK/LeiGk8DtsqfP2W8jcS6jcLOJE1fKMBwrD/3TA=' 
WHERE 
  key_id = 'b51498578ba47ee48b93deff46e23a51604342e9472119c37f0a8dbbf3cc40a1' 
  AND (
    token = 'SHtNK/LeiGk8DtsqfP2W8jcS6jcLOJE1fKMBwrD/3TA=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )