UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'vxqL0OKuIUXoB+ZSUcpdqYRAvXtkhv5GSta8bw5Rg5Q=' 
WHERE 
  key_id = '6995ca4b643ee534b54644c8947502a0d3d66340d38f5fb4849746f27d40134a' 
  AND (
    token = 'vxqL0OKuIUXoB+ZSUcpdqYRAvXtkhv5GSta8bw5Rg5Q=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )