UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'K2L5sRdVVvdTLG6ej6IRpBt0IQprz08/1qFrRWIzdo0=' 
WHERE 
  key_id = '4c37b1b45c38f590fd591c1e7a74af90cdf204ec96cbfa02301575f5dd5feb08' 
  AND (
    token = 'K2L5sRdVVvdTLG6ej6IRpBt0IQprz08/1qFrRWIzdo0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )