UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'qnRiq5fMOkMEizQBG0UVLjzOaCEmsrJQxO6Y8Q78ALw=' 
WHERE 
  key_id = '6e735bac99e71d5204ef6fdda7a62bb2b9720c846bb7172434cb78b151e33a1d' 
  AND (
    token = 'qnRiq5fMOkMEizQBG0UVLjzOaCEmsrJQxO6Y8Q78ALw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )