UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'Rk1e7H6KUnKrdHKmomWZ5x/hu9auDH7wxYeF3kF+kt0=' 
WHERE 
  key_id = 'b68ed32d4723a3cdd1bde325e5b5bac8545cd57b5648bbc8a14e33de97abfc7a' 
  AND (
    token = 'Rk1e7H6KUnKrdHKmomWZ5x/hu9auDH7wxYeF3kF+kt0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )