UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RcRhwXiLmK8x74Hb4vy7PWYqsJHGkTnoPDUodzPLhAQ=' 
WHERE 
  key_id = 'a8e571cd5f2d8f90499ff8b2565f6daefd48c5aeed5bbd44e065849530e2dd2f' 
  AND (
    token = 'RcRhwXiLmK8x74Hb4vy7PWYqsJHGkTnoPDUodzPLhAQ=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )