UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'VJ8Sry0zmEtyeapQk6XBROjMUtYaMVwU7VrFSNHgGv0=' 
WHERE 
  key_id = '2c79393c673adec483cbdeea54d677aa840c700aa2af8b2d121ea4d007aa3ee5' 
  AND (
    token = 'VJ8Sry0zmEtyeapQk6XBROjMUtYaMVwU7VrFSNHgGv0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )