UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'DpciQxvrkGbhEO/3eg3LkTY4QFaIRCCd7LHpPlVpuS8=' 
WHERE 
  key_id = '50e7168e505b8d37ac61a314094f1cb6859f63e3b3d2b4c4e5171272cd492730' 
  AND (
    token = 'DpciQxvrkGbhEO/3eg3LkTY4QFaIRCCd7LHpPlVpuS8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )