UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MmAaowCJoDQwvHPxQ7nGvykrRZxNsxe42id4bGUk3D0=' 
WHERE 
  key_id = 'fdc6926aed5dd4519f40d891d780a72c3a738f037b6cf6173195610befbfa1d8' 
  AND (
    token = 'MmAaowCJoDQwvHPxQ7nGvykrRZxNsxe42id4bGUk3D0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )