UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'w08TDk3JzyFDL0LSk5he4poaJdEnbKGqCdFXkKfIKMs=' 
WHERE 
  key_id = '81d2ccc2d642cfd6fc59de7b05d43ae949003d15ef87760c220c17b322205f62' 
  AND (
    token = 'w08TDk3JzyFDL0LSk5he4poaJdEnbKGqCdFXkKfIKMs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )