UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RHjvB5+5nh3zWKEAhGeZrwrrYHjSH1nX4P4ne+qM02c=' 
WHERE 
  key_id = '4b52a870e528e70f4fded11b2149715b12a821f8dfce500c4eb2a3aad428615b' 
  AND (
    token = 'RHjvB5+5nh3zWKEAhGeZrwrrYHjSH1nX4P4ne+qM02c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )