UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'zfFyFThvJUZzSxpaX+rkVvZy57pYiecXSU6B+SC6/mE=' 
WHERE 
  key_id = '3ad03462eac086a028bf65a7451371a0a56f0f6a5d96a6abb8d8fe4591791548' 
  AND (
    token = 'zfFyFThvJUZzSxpaX+rkVvZy57pYiecXSU6B+SC6/mE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )