UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DbeDNSDhA1bcDU2U9QRd6E9gS4o3X88DWjUMkDZjGKc=' 
WHERE 
  key_id = '293b0b0928e3a34de79e183b2c2379fa049dffe2550b81d50d00904a59cb791b' 
  AND (
    token = 'DbeDNSDhA1bcDU2U9QRd6E9gS4o3X88DWjUMkDZjGKc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )