UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mu5IK5eajSh7+3z2YTtoJCxdHvqQOWJAdaY+nQwDeGc=' 
WHERE 
  key_id = '18454978e54a9793f2503336847c933f403e18c85717b3e30b451315d472b06f' 
  AND (
    token = 'mu5IK5eajSh7+3z2YTtoJCxdHvqQOWJAdaY+nQwDeGc=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )