UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'cu/ELXqNKMZ/8aTeL13/BZwaJn5YCy/CWV/Q8S+eJw0=' 
WHERE 
  key_id = '205893960b34bc41440fe674e99068cf32dbab71e9a85d1be43d609e51aa6741' 
  AND (
    token = 'cu/ELXqNKMZ/8aTeL13/BZwaJn5YCy/CWV/Q8S+eJw0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )