UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'UhrGHfso7qtR5xO313lhfu2uWYpJ+sr8ybkzBZ+8ne4=' 
WHERE 
  key_id = 'b6c2b3b60d592cab76536add236ff93b2af0b09259cc37f36413183b713e3920' 
  AND (
    token = 'UhrGHfso7qtR5xO313lhfu2uWYpJ+sr8ybkzBZ+8ne4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )