UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'RYuGCmDm/2RSFPLsi3DYOFWUHuP9BtdgVqA1JbbfbEY=' 
WHERE 
  key_id = '4a59bb15674228d2a4401a127c48e0b9ee0be881a7699b7c76df6e84c66e0e0b' 
  AND (
    token = 'RYuGCmDm/2RSFPLsi3DYOFWUHuP9BtdgVqA1JbbfbEY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )