UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'nK5xyo4YBPw9/JSdQZJ9IWFvZvBliWuTo1en1oO2dAo=' 
WHERE 
  key_id = '50055ef837146cba11e089fab3cf183b39eeb0821f67bce2e09f0b593f950a5b' 
  AND (
    token = 'nK5xyo4YBPw9/JSdQZJ9IWFvZvBliWuTo1en1oO2dAo=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )