UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'b/mGxk2eg7iGgh69R3/+PPNSQQv9gBJB3PkYtK+ET8E=' 
WHERE 
  key_id = '6f3e47854cab1ca1aff760746faa2875b0e93b23e62da0ac068ea209871238a8' 
  AND (
    token = 'b/mGxk2eg7iGgh69R3/+PPNSQQv9gBJB3PkYtK+ET8E=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )