UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'tUdzFMoLRkcbFVLIi2GCQaMSIm5+C7vmc2lMhI+blNE=' 
WHERE 
  key_id = '51dd7eb2dc4d370bc8b94171fb27cc643f343dcb0fa5c90199abee120f51a22b' 
  AND (
    token = 'tUdzFMoLRkcbFVLIi2GCQaMSIm5+C7vmc2lMhI+blNE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )