UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'PDXcaApAO8Tjuye8h67U47tw+iGS7rf3LGoDB3WbaCM=' 
WHERE 
  key_id = '42c342053494d0f9973a033afbe8dde6cbdcc50f64a644fadcab1dd622352935' 
  AND (
    token = 'PDXcaApAO8Tjuye8h67U47tw+iGS7rf3LGoDB3WbaCM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )