UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'E+PgcEJmpQDLVN20LC3mu0eiuXUjmmPXuSsJj4Z6AcU=' 
WHERE 
  key_id = '50ec1279b8c03b562b53434b5d21ec1c264f6bd74fedf305eb36aea412ab3a8c' 
  AND (
    token = 'E+PgcEJmpQDLVN20LC3mu0eiuXUjmmPXuSsJj4Z6AcU=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )