UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mjk/HHDj2PYD03pUYvyIMoFnvaojiJHm6vA7ubEiKYM=' 
WHERE 
  key_id = 'b5adcc4a2c26ccfbe5548785c13548115ea217416dbb4a5efd0e458fa691a02e' 
  AND (
    token = 'mjk/HHDj2PYD03pUYvyIMoFnvaojiJHm6vA7ubEiKYM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )