UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K/q16LkS14eBB1Q23OszZX1eggSm07c49qaAS96e4xc=' 
WHERE 
  key_id = '256e3971e6f4415054cbd65c0bea94e80dbc2852fbc27177569e8f1e684d6a8c' 
  AND (
    token = 'K/q16LkS14eBB1Q23OszZX1eggSm07c49qaAS96e4xc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )