UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Q/MN5q8wx3LE83PpKGylrYfq9yYaXiUo8QwtaBzhJBg=' 
WHERE 
  key_id = '52ddcb7892c544300731cab5bec2a88013212bfbe6d79a23e4eac8f317f52d40' 
  AND (
    token = 'Q/MN5q8wx3LE83PpKGylrYfq9yYaXiUo8QwtaBzhJBg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )