UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'mdLuBXjlXtnvDgXGHZqpsCOEHrOHDhCDrTRTouLvSGE=' 
WHERE 
  key_id = '264d78017150eb6a880072154f151b407d5388f151e752cb95ab70fa7082dc1e' 
  AND (
    token = 'mdLuBXjlXtnvDgXGHZqpsCOEHrOHDhCDrTRTouLvSGE=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )