UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'f2oQNG+Ymx7dDcyiYDMoBIr7zMqwlFbK83nCuEZgkcg=' 
WHERE 
  key_id = '51a9b3b29d2a0e294fecf16f99e782512869e012a59db744301cba4549024127' 
  AND (
    token = 'f2oQNG+Ymx7dDcyiYDMoBIr7zMqwlFbK83nCuEZgkcg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )