UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PEWzxfgtlVohxMI2aOsE0SRRJEJZ+d1Gq5r+71e/NAw=' 
WHERE 
  key_id = '6643639df7fa3117502db34caab720c7457556d3f46c69575a1c546108a1225b' 
  AND (
    token = 'PEWzxfgtlVohxMI2aOsE0SRRJEJZ+d1Gq5r+71e/NAw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )