UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iSJkKRNdoqvnb7jVdx4jbPttlRkMCCkvPqGdsWEHxrY=' 
WHERE 
  key_id = '96fccb701126ae43826e73cc68c6b8f682dc47204429a23749693e902279f4b8' 
  AND (
    token = 'iSJkKRNdoqvnb7jVdx4jbPttlRkMCCkvPqGdsWEHxrY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )