UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'NObzR5NTnJJrvqDA5944I/4lMKloUeoO1+qhwK4QmWc=' 
WHERE 
  key_id = '306007d930cefa210d083379a0c596c340afe07f1479463bc46fbbfb8cd2825d' 
  AND (
    token = 'NObzR5NTnJJrvqDA5944I/4lMKloUeoO1+qhwK4QmWc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )