UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nRK7qZaG5fAd8h9C3Uyubylj3cI3zgEWek6WlVO7Vvg=' 
WHERE 
  key_id = '83b9f79c8c9dcce56c21fefb6bf1acebde3c22e6bddc9301c578b32aa3693d52' 
  AND (
    token = 'nRK7qZaG5fAd8h9C3Uyubylj3cI3zgEWek6WlVO7Vvg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )