UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '51diWQUyRt+7rtn47dUZ0jOOA9Pd2Lw0VQqAfe6g4c0=' 
WHERE 
  key_id = '94d18e0a7a57b2b221ca88e2d54c208b2fa886bf323d89aa2edbcf6e239060bd' 
  AND (
    token = '51diWQUyRt+7rtn47dUZ0jOOA9Pd2Lw0VQqAfe6g4c0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )